DOCSLIB.ORG

Oeste Hydrologic Atlas I S a Cul Minat Ion of O Ur Efforts

Total Page：16

File Type：pdf, Size：1020Kb

Download full-text PDF Read full-text
Oeste Hydrologic Atlas I S a Cul Minat Ion of O Ur Efforts Hydrologic Atlas 2 Background Preface and Contents Using the Atlas: If you are interested in the Oeste Hydrologic Sub-area in general, we suggest that you page Table of Contents: through this document and linger on the features that interest you. This atlas is organized by general heading and subdivided into more specific areas. Preface and Contents ................................................... 2 General information about the Oeste Hydrologic Sub-area and the region can be found on pages 6-11. Introduction Discussions on the water cycle and the Oeste Hydrologic Sub-area watershed are found on pages 4 and 10. Overview ............................................................................. 3 The geology in the Oeste Hydrologic Sub-area, including an overview of the sediments Hydrologic Cycle ............................................................. 4 within the watershed, is discussed on pages 12-14. Groundwater Basins ...................................................... 5 Information regarding surface water and groundwater in the Oeste Hydrologic Sub- area can be found on pages 15-18. Background Groundwater quality standards and analyses can be found on pages 19 - 26. Physiography .................................................................... 6 A general map explanation, information tables and a glossary of terms used in this atlas can be found on pages 27-36. Regional Climate ............................................................... 7 Vegetation .......................................................................... 8 ● Key words, included in the glossary, are bold-italicized in the text. Land Use ............................................................................. 9 Watershed .......................................................................... 10 California State University, Fullerton Faults and Seismic Activity ......................................... 11 College of Natural Sciences and Mathematics Department of Geological Sciences July 2009 Geology General Geology .............................................................. 12-13 El Mirage Clay Zone ....................................................... 14 Groundwater 224 50 H ead quart ers Drive ◊ Apple Val ley, CA 9230 7-00 19 Phone (76 0) 946-70 00 ◊ Fax (760) 240- 2642 ◊ w ww.moja ve water. or g Groundwater Occurence ............................................ 15 Movement ........................................ 16 Production and Usage ................ 17 Budget ............................................... 18 July 8, 200 9 Groundwater Chemistry The Mo jav e Water Ag ency (MWA) has b een entrusted wi th ma nag in g the lon g-t er m Aquifer Water Quality ................................................... 19 rel iab ility o f wat er r es ource s with in an app roximat el y 5,00 0 sq ua r e mi le are a of th e Moj ave De sert. The MWA has w orked clo sel y with ac ad emic fa culty and s tud en ts o f Water Quality Standards and the Geo log ical Sc ien ce s De partm ent from t he Ca li for nia St ate Un ive rsity at Full erto n (C SU F) to bui ld a sy nergis ti c r el ations hip. This c ommi tment has result ed in th e abi lity for profess io na l staff fro m the M WA to ca ll upon t he a ca dem ic r es ources Ion Water Chemistry 20 ..................................... prov id ed by CSUF t o assist wi th study in g grou ndwa ter res our ce ma nag ement issues. Ion Water Chemistry In or der to su pport scientif ic based de cisi on m aki ng relat ed t o wate r re so urces Magnesium and Sodium ............................ 21 ma nag em ent wit hin t he Oeste Su b-area, the MWA and CSUF embarked on a data gath eri ng miss ion t o obta in a nd int egrat e geo log ic and hyd ro logic info rmatio n Calcium and Chloride ................................... 22 ava ila ble f or the re gi on. The Oeste Hydrologic Atlas i s a cul minat ion of o ur efforts. This hyd roge olo gic assess men t of th e Oeste Sub-area ha s p rovi ded u s with infor ma ti on re ga rd in g gr oun dwa te r i n sto rage, aquif er spa ce av ail ab le for water Nitrate and Sulfate ........................................ 23 ban ki ng, r eview of the bas in wate r bu dget, g rou ndwater flow di recti on(s), fl ow r ates, and wat er qu ality dat a. In addit ion, we ll s id entified du ri ng the cour se of this s tudy Chromium ......................................................... 24 have be en inco rpo rate d into the MWA’s Key Well P rog ram, which is used to monitor water le vel s and wa ter qu ality with in the MWA servi ce a rea. Arsenic and Total Dissolved Solids ......... 25 The fi ndi ngs of thi s coll abo rativ e en dea vor betwee n MWA pro fe ssio nal s taff an d CSU F p rofesso rs an d stud ents will he lp wit h the pr ope r lo ng-te rm ma nag em ent o f Constituent Totals and Chemistry water re so urces with in the Oes te Suba rea. Spider Radar Graphs for Sinc erely, Lower and Upper Aquifer Wells .................................................... 26 Lan ce Ec kh art, PG, CHG, REA Prin cip al Hydr oge ol og ist Information Tables ......................................................... 27 Glossary ......................................................... 28-36 References ........................................................ 37-40 Acknowledgments ........................................................ 41 Mojave Water Agency Introduction Adjudicated Boundary Cuddeback Lake Sub-area Overview Superior Lake Sub-area This atlas presents an overview of previously published data Centro Sub-area and new data on the geography, climate, geology, hydrology , Baja Sub-area hydrogeology , and groundwater chemistry of the Oeste Hydro - N. Oeste Sub-area logic Sub-area. An awareness of the challenges in watershed management and possible solutions is imperative to the Mojave Alto Transition Zone Sub-area Desert region where precipitation is low and demands for O frese hs - - t e S u b a r e a water are high. This attention to overall watershed issues, Este Sub-area especially those that affect vital groundwater resources, cannot be overstated. In order to address these issues, several goals Alto Sub-area have been considered for this investigation: ± S u b - a r e a 1. Provide basic information on the basin’s geography. M o r o n g o B a s i n / MWA Adjudicated Boundary J o h n s o n V a l l e y 2. Construct geologic cross-sections through the basin . 3. Examine surface and groundwater flow conditions. MWA Sub-areas 0 5 10 20 Miles 4. Delineate the basin’s aquifers (upper/lower). 5. Assess groundwater flow within the basin. 6. Determine the hydrologic budget of the basin. 7. Assess groundwater quality conditions. reviewed by members of MWA and that their comments and recommendations were incorporated into this final atlas. This atlas has been prepared by students and faculty associated with the Applied Geosciences in the Department of Geological The Oeste Hydrologic Sub-area (also referred to as El Mirage Sciences at California State University Fullerton under contract Valley) is located just north of the San Gabriel Mountains along to the Mojave Water Agency (MWA). This atlas is a condensed the southern edge of the Mojave Desert, San Bernardino version of the Oeste Hydrologic Sub-area Report and is County, California and is part of the Oeste Sub-area boundary of intended to provide generalized information for public consump - the Mojave Water Agency (MWA). El Mirage Valley lies approxi - tion. This report was prepared with the understanding that the mately 25 miles west of Victorville. El Mirage Valley can be results will be used to help manage the water resources of the accessed by way of either, highway 18, highway 395 via the city area. It is also significant that the draft of this atlas was critically of Victorville or highway 138 through the community of Phelan. 11 9 ° W 11 8 ° W 11 7 ° W 11 6 ° W Southern California and the 0 20 40 80 Kilometers Oeste HydrologicC Sub-areau d d e b a c k L a k e 0 10 20 40 Miles S u b - a r e a Sa n Be r na rd i n o Co Superior Lake Sub-area N. Oeste Sub-area 35 ° N 35 ° N Centro Sub-area Ke rn Co Baja Sub-area Alto Tran- O e s t e S u b - a r e a sition Zone Lo s An g el e s Co Sub-area Este Ve n tu r a Co Alto Sub-area Sub-area S u b - a r e a M o r o n g o B a s i n / J o h n s o n V a l l e y P a c i f i c O c e a n 34 ° N 34 ° N CALIFORNIA Ri v er s i d e Co $ ^ Or a ng e Co 11 9 ° W 11 8 ° W 11 7 ° W 11 6 ° W 3 4 Introduction Earth’s Water Distribution Hydrologic Cycle Oceans (saltwater) 97% Groundwater The endless circulation of water between the oceans, atmo - 14.18% sphere, and land is called the hydrologic cycle. The term refers to Surface Water the constant movement of water above, on, and below the Earth’s 0.79% Icecaps & Glaciers surface. The concept of the hydrologic cycle is elementary to any Freshwater 85% understanding of the occurence, development, and management 3% of water. The movement of water through the hydrologic cycle consists of Air & Soil 0.04% many processes working together to keep Earth’s water circulat - ing. Six processes are at work in the hydrologic cycle: evapora - tion, evapotranspiration, condensation, precipitation, infiltration, runoff. These occur simultaneously, and except for precipitaion, also occur continuously. Aquifer Recharge First and foremost in the hydrologic cycle is the sun, the great heat engine which drives the hydrologic cycle.
Load more

Recommended publications
  • An Overview of the Cultural Resources of the Western Mojave Desert
    BLM LIBRARY BURE/ IT 88014080 An Overview of the Cultural Resources of the Western Mojave Desert by E . G ary Stic kel and - L ois J . W einm an Ro berts with sections by Rainer Beig ei and Pare Hopa cultural resources publications anthropology— history Cover design represents a petroglyph element from Inscription Canyon, San Bernardino County, California. : AN OVERVIEW OF THE CULTURAL RESOURCES OF THE WESTERN TOJAVE DESERT by Gary Stickel and Lois J. Weinman- Roberts Environmental Research Archaeologists: A Scientific Consortium Los Angeles with sections by Rainer Berger and Pare Hopa BUREAU OF LAND MANAGEMENT LIBRARY Denver, Colorado 88014680 Prepared for the UNITED STATES DEPARTMENT OF INTERIOR BUREAU OF LAND MANAGEMENT California Desert Planning Program 3610 Central Avenue, Suite 402 Riverside, California 92506 Contract No. YA-512-CT8-106 ERIC W. RITTER GENERAL EDITOR Bureau of Land RIVERSIDE, CA Management Library 1980 Bldg. 50, Denver Federal Center Denver, CO 80225 *•' FOREWORD Culture resource overviews such as this bring together much of the available information on prehistoric and historic peoples and present- day Native American groups along with their associated environments. The purpose behind these studies is to provide background information for the management of and research into these prehistoric, historic, and contemporary resources. This overview is one of seven covering the southern California deserts undertaken as part of a comprehensive planning effort by the Bureau of Land Management for these deserts. Overviews aid in the day-to-day management of cultural resources and in the completion of environmental analyses and research projects. Its general value to the public in the fields of education and recreation-interpretation must also be stressed.
    [Show full text]
  • March 10, 2016 Mr. Todd Noethen Vice President, Distribution Support
    March 10, 2016 Mr. Todd Noethen Vice President, Distribution Support Services AVDC, Inc. 300 Phillipi Road Columbus, Ohio 43228 RE: Archaeological and Paleontologic Assessment Jupiter Project – Navajo Road Apple Valley, San Bernardino, California Project # 2070.01 Dear Mr. Noethen: Northgate Environmental Management, Inc. (Northgate) is submitting the attached Final Archaeological and Paleontological Resources Phase I Assessment, for the Jupiter Project property located on Navajo Road in the City of Apple Valley, San Bernardino County, California. Should you have any questions or require additional information, please do not hesitate to call at (949) 716-0050 ext. 101. Sincerely, Northgate Environmental Management, Inc. Derrick Willis Principal Attachment: Archaeological and Paleontological Resources Phase I Assessment, cc: Roland M. Longo, Haskell Architects & Engineers PA Michael H. Wheeler, Haskell Architects & Engineers PA 428 13th Street, 4th Floor 24411 Ridge Route Drive, Suite 130 20251 Century Boulevard, Suite 315 Oakland, California 94612 Laguna Hills, California 92653 Germantown, Maryland 20874 tel 510.839.0688 tel 949.716.0050 tel 301.528.1500 www.ngem.com ATTACHMENT ARCHAEOLOGICAL AND PALEONTOLOGICAL RESOURCES PHASE I ASSESSMENT Archaeological and Paleontological Resources Phase I Assessment Jupiter Project – Navajo Road, Town of Apple Valley, San Bernardino County, California Prepared for: Northgate Environmental Management, Inc. 24411 Ridge Route Drive, Suite 130 Laguna Hills, California 92653 Prepared by: Denise Ruzicka, M.A., M.S., RPA Edited by: Robin Turner, M.A. Michael X. Kirby, Ph.D. ArchaeoPaleo Resource Management Inc. 1531 Pontius Ave, Suite 200 Los Angeles, CA 90025 424.248.3316 USGS 7.5-Minute Topographic Quadrangle: Apple Valley North (1970 revised 1993) Area: 106.4 acres March 2016 This document contains sensitive information regarding the location of archaeological sites which should not be disclosed to the general public or other unauthorized persons.
    [Show full text]
  • Milebymile.Com Personal Road Trip Guide California State Highway #18
    MileByMile.com Personal Road Trip Guide California State Highway #18 Miles ITEM SUMMARY 0.0 San Bernardino, CA Community of San Bernardino, California, a large city located in San -Junction of California Bernardino County, California, Attractions: Arrowhead Springs Hotel State Route #210/30 and Spa, a historic hotel & Spa located in the Arrowhead Springs neighborhood, Arrowhead geological monument, which is California Historical Landmark, Original McDonald's Site and Museum, SB Raceway Indoor Karting. Altitude: 1234 feet 2.9 Arrowhead Springs Road: Arrowhead Springs Road, Old Waterman Canyon Road, Campus Hot Springs Crusade for Christ, Arrowhead Springs Hot Lake, Altitude: 1788 feet 4.9 Cloudland Truck Trail Cloudland Truck Trail, Sweetwater Percolation Basin, Altitude: 2477 feet 11.3 Junction Junction California State Route #138, to, Crestline, California, a community in the San Bernardino Mountains of San Bernardino County, California, Lake Gregory Regional Park, Lake Gregory, a man-made lake and a county park Crestline, California, Altitude: 4390 feet 14.1 Squirrel Inn Squirrel Inn Road/California Route #189, N Road, Twin Pikes Road/California Route #189 Community Church, Calvary Chapel Conference Center, Blue Jay, California, a town in San Bernardino County, California. Altitude: 5144 feet 16.8 Daley Canyon Road: Daley Canyon Road, connects with California Route #189, Lake Country Club Arrowhead Country Club, Grass Valley Lake Park, State Route #173 traverses the Sand Bernardino Mountains, Blue Jay Bay, on Lake Arrowhead, a community in San Bernardino County, California, within the San Bernardino National Forest. Altitude: 5581 feet 17.2 Access Road: Robert Access Road, to, Robert Brownlee Observatory, an astronomical Brownlee Observatory observatory, located in Lake Arrowhead, California, just off California State Highway #18, Altitude: 5699 feet 18.2 California Route #173: California Route #173, to, Lake Arrowhead, California, a community in Lake San Bernardino County, California, within the San Bernardino National Forest.
    [Show full text]
  • El Mirage Ohv Skills-Training Area
    EL MIRAGE OHV SKILLS-TRAINING AREA Master Plan February 4, 2014 El Mirage Off-Highway Vehicle Recreation Area BLM Barstow Field Office El Mirage Photo: Jeff Kurtz Executive Summary OHV Skills Area Master Plan Features Include: The Bureau of Land Management (BLM) established El MIrage Off- • Trailhead area with restroom, shade Ramada, fire pit, parking, Highway Vehicle (OHV) Recreation Area to provide riding and other loading ramps, information kiosks and a pedestrian area recreation opportunities while conserving resources on a managed • Safety training area landscape. El MIrage has a long history of motorized recreation starting with speed trials on the dry lake bed. Today public use of the recreation • Children’s trail (ATV and motorcycle) area ranges from activities on the dry lake bed to OHV riding to camping and learning about the desert environment. • Youth trail (ATV and motorcycle) Providing responsible OHV recreation opportunity includes having a • Beginner trail (ATV and motorcycle) space for safety training and safe youth riding. To meet this need, BLM • Skills development stations to practice various basic obstacles designated a 54 acre area near the El MIrage visitor center. This master plan provides a design and specifications to develop the “OHV Skills- All features were designed and will be constructed using recognized Training Area.” practices for safety, sustainability, and a high-quality recreation experience. Funding to design and develop the skills area was provided in the form of an OHV grant through the California State Parks Off-Highway The OHV Skills Area will be supervised and managed by BLM staff, and Motor Vehicle Recreation Division (OHMVR) Grants and Cooperative with help from the Friends of El Mirage and other organizations.
    [Show full text]
  • Preliminary Hydrogeologic Assessment Near the Boundary of the Antelope Valley and El Mirage Valley Groundwater Basins, California
    Prepared in cooperation with the Mojave Water Agency Preliminary Hydrogeologic Assessment near the Boundary of the Antelope Valley and El Mirage Valley Groundwater Basins, California Scientific Investigations Report 2017–5065 U.S. Department of the Interior U.S. Geological Survey Cover. Visualization of the saturated alluvium, faults, and subsurface basement topography of the Antelope Valley and El Mirage Valley groundwater basins, California. Visualization by Donald J. Martin and Sally F. House. Preliminary Hydrogeologic Assessment near the Boundary of the Antelope Valley and El Mirage Valley Groundwater Basins, California By Christina L. Stamos, Allen H. Christensen, and Victoria E. Langenheim Prepared in cooperation with the Mojave Water Agency Scientific Investigations Report 2017–5065 U.S. Department of the Interior U.S. Geological Survey U.S. Department of the Interior RYAN K. ZINKE, Secretary U.S. Geological Survey William H. Werkheiser, Acting Director U.S. Geological Survey, Reston, Virginia: 2017 For more information on the USGS—the Federal source for science about the Earth, its natural and living resources, natural hazards, and the environment—visit https://www.usgs.gov or call 1–888–ASK–USGS. For an overview of USGS information products, including maps, imagery, and publications, visit https://www.usgs.gov/pubprod/. Any use of trade, firm, or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government. Although this information product, for the most part, is in the public domain, it also may contain copyrighted materials as noted in the text. Permission to reproduce copyrighted items must be secured from the copyright owner.
    [Show full text]
  • Geologic Map Database of the El Mirage Lake Area, San Bernardino and Los Angeles Counties, California
    U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY in cooperation with MOJAVE WATER AGENCY A product of the Southern California Areal Mapping Project: A geologic mapping project sponsored jointly by the U.S. Geological Survey and the California Division of Mines and Geology Geologic map database of the El Mirage Lake Area, San Bernardino and Los Angeles Counties, California By David M. Miller1 and David R. Bedford1 Digital preparation by D.R. Bedford1 Open-File Report OF 00-222 version 1.0 http://wrgis.wr.usgs.gov/open-file/of00-222 This report is preliminary and has not been reviewed for conformity with the U.S. Geological Survey (USGS) editorial standards or with the North American Stratigraphic Code. Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government. This database, identified as "Geologic map database of the El Mirage Lake Area, San Bernardino and Los Angeles Counties, California" has been approved for release and publication by the Director of the USGS. Although this database has been reviewed and is substantially complete, the USGS reserves the right to revise the data pursuant to further analysis and review. This database is released on condition that neither the USGS nor the U.S. Government may be held liable for any damages resulting from its use. 1 U.S. Geological Survey, 345 Middlefield Road, Menlo Park, CA TABLE OF CONTENTS INTRODUCTION This geologic map database for the El Mirage INTRODUCTION................................................2 Lake area describes geologic materials for the dry INFORMATION ON THE DATABASE...............3 lake, parts of the adjacent Shadow Mountains and SUMMARY OF GEOLOGY................................3 Adobe Mountain, and much of the piedmont exten- Geologic setting.........................................3 ding south from the lake upward toward the San Geomorphology ........................................4 Gabriel Mountains.
    [Show full text]
  • El Mirage Community Profile
    1 Table of Contents Introduction ................................................................................................................................................................................. 3 Where Did the Goals, Policies, and Land Use Map for My Community’s Plan Go? ............................................................ 4 Relationship of the Community Plan to the Countywide Plan ................................................................................................. 4 The Draft Community Plan for Public Review .................................................................................................................................. 5 How to Use This Plan ................................................................................................................................................................................. 5 How to Implement the Plan .................................................................................................................................................................... 5 Values Statement ....................................................................................................................................................................... 9 Aspirations Statement .......................................................................................................................................................... 10 Plan Framework .....................................................................................................................................................................
    [Show full text]
  • Simulation of Ground-Water Flow in the Mojave River Basin, California
    Simulation of Ground-Water Flow in the Mojave River Basin, California By CHRISTINA L. STAMOS, PETER MARTIN, TRACY NISHIKAWA, and BRETT F. COX U.S. GEOLOGICAL SURVEY Water-Resources Investigations Report 01-4002 Version 3 Prepared in cooperation with the MOJAVE WATER AGENCY 7208-20 Sacramento, California 2001 U.S. DEPARTMENT OF THE INTERIOR GALE A. NORTON, Secretary U.S. GEOLOGICAL SURVEY Charles G. Groat, Director The use of firm, trade, and brand names in this report is for identification purposes only and does not constitute endorsement by the United States Government. For additional information write to: Copies of this report can be purchased from: District Chief U.S. Geological Survey U.S. Geological Survey Information Services Placer Hall, Suite 2012 Box 25286 6000 J Street Federal Center Sacramento, CA 95819-6129 Denver, CO 80225 CONTENTS Abstract.................................................................................................................................................................................. 1 Introduction .......................................................................................................................................................................... 2 Purpose and Scope ...................................................................................................................................................... 3 Description of Study Area .........................................................................................................................................
    [Show full text]
  • Analysis of Historical Groundwater Production by the Phelan Pinon Hills Community Services District
    Analysis of Historical Groundwater Production by the Phelan Pinon Hills Community Services District Antelope Valley Area of Adjudication July 13, 2010 Smith Trager LLP Thomas Harder & Co. Groundwater Consulting 601 E. Yorba Linda Blvd. Suite 3A Placentia, CA 92870 714.792-3875 Smith Trager LLP/Phelan Pinon Hills Community Services District Antelope Valley Groundwater Basin Adjudication 13-Jul-10 Table of Contents 1 Executive Summary ............................................................................................................... 3 2 Preparer’s Qualifications ...................................................................................................... 5 3 Background ............................................................................................................................ 6 3.1 Phelan Pinon Hills Community Services District ............................................................ 6 3.2 Jurisdictional Areas .......................................................................................................... 6 3.3 Relationship of Phelan Pinon Hills Community Services District to the Antelope Valley Area of Adjudication ....................................................................................................... 6 3.4 Purpose and Scope of this Study ...................................................................................... 7 3.5 Sources of Data ................................................................................................................ 7 4 Physical
    [Show full text]
  • Simulation of Ground-Water Flow in the Mojave River Basin, California
    Simulation of Ground-Water Flow in the Mojave River Basin, California By CHRISTINA L. STAMOS, PETER MARTIN, TRACY NISHIKAWA, and BRETT F. COX U.S. GEOLOGICAL SURVEY Water-Resources Investigations Report 01-4002 Version 3 Prepared in cooperation with the MOJAVE WATER AGENCY 7208-20 Sacramento, California 2001 U.S. DEPARTMENT OF THE INTERIOR GALE A. NORTON, Secretary U.S. GEOLOGICAL SURVEY Charles G. Groat, Director The use of firm, trade, and brand names in this report is for identification purposes only and does not constitute endorsement by the United States Government. For additional information write to: Copies of this report can be purchased from: District Chief U.S. Geological Survey U.S. Geological Survey Information Services Placer Hall, Suite 2012 Box 25286 6000 J Street Federal Center Sacramento, CA 95819-6129 Denver, CO 80225 CONTENTS Abstract.................................................................................................................................................................................. 1 Introduction .......................................................................................................................................................................... 2 Purpose and Scope ...................................................................................................................................................... 3 Description of Study Area .........................................................................................................................................
    [Show full text]
  • Tapestry Project
    Tapestry Project Greenhouse Gas Emissions Technical Report November 2014 Prepared for: Prepared by: Hesperia Venture 1, LLC HELIX Environmental Planning, Inc. 10410 Roberts Road 7578 El Cajon Boulevard, Suite 200 Calimesa, CA 92320 La Mesa, CA 91942 TAPESTRY PROJECT GREENHOUSE GAS EMISSIONS TECHNICAL REPORT Prepared for: Hesperia Venture 1, LLC 10410 Roberts Road Calimesa, CA 92320 Prepared by: HELIX Environmental Planning, Inc. 7578 El Cajon Boulevard, Suite 200 La Mesa, CA 91942 November 2014 INFORMATION FOR THE READER Subsequent to preparation of this technical study for the Tapestry Specific Plan, there have been changes to the Project description that have resulted in a reduction of the number of units proposed. The northern portions of the Specific Plan area within Phase 1 were relotted to increase the minimum density, changing the overall number of units proposed from 19,398 to 19,311. The reduction in units would not result in a new or increased significant effect on the environment relative to the analysis contained in this technical study, nor would it change the conclusions with regard to the level of significance of impacts. Therefore, the original analysis of 19,398 units is considered a conservative analysis and has not been updated to reflect the current Project description which proposes a reduction to 19,311 units. TABLE OF CONTENTS Section Title Page ES EXECUTIVE SUMMARY ...............................................................................ES-1 1.0 INTRODUCTION ...................................................................................................1
    [Show full text]
  • An Overview of the Cultural Resources of The
    BLM LIBRARY BURE/ IT 88014080 An Overview of the Cultural Resources of the Western Mojave Desert by E . G ary Stic kel and - L ois J . W einm an Ro berts with sections by Rainer Beig ei and Pare Hopa cultural resources publications anthropology— history Cover design represents a petroglyph element from Inscription Canyon, San Bernardino County, California. : AN OVERVIEW OF THE CULTURAL RESOURCES OF THE WESTERN TOJAVE DESERT by Gary Stickel and Lois J. Weinman- Roberts Environmental Research Archaeologists: A Scientific Consortium Los Angeles with sections by Rainer Berger and Pare Hopa BUREAU OF LAND MANAGEMENT LIBRARY Denver, Colorado 88014680 Prepared for the UNITED STATES DEPARTMENT OF INTERIOR BUREAU OF LAND MANAGEMENT California Desert Planning Program 3610 Central Avenue, Suite 402 Riverside, California 92506 Contract No. YA-512-CT8-106 ERIC W. RITTER GENERAL EDITOR Bureau of Land RIVERSIDE, CA Management Library 1980 Bldg. 50, Denver Federal Center Denver, CO 80225 *•' FOREWORD Culture resource overviews such as this bring together much of the available information on prehistoric and historic peoples and present- day Native American groups along with their associated environments. The purpose behind these studies is to provide background information for the management of and research into these prehistoric, historic, and contemporary resources. This overview is one of seven covering the southern California deserts undertaken as part of a comprehensive planning effort by the Bureau of Land Management for these deserts. Overviews aid in the day-to-day management of cultural resources and in the completion of environmental analyses and research projects. Its general value to the public in the fields of education and recreation-interpretation must also be stressed.
    [Show full text]