2020 San Mateo-Santa Cruz Unit Fire Plan
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Impacts of Early Land-Use on Streams of the Santa Cruz Mountains: Implications for Coho Salmon Recovery
Impacts of early land-use on streams of the Santa Cruz Mountains: implications for coho salmon recovery San Lorenzo Valley Museum collection Talk Outline • Role of San Lorenzo River in coho salmon recovery • History of 19th century land-use practices • How these disturbances impacted (and still impact) ecosystem function and salmon habitat Central California Coast ESU Lost Coast – Navarro Pt. Coho salmon Diversity Strata Navarro Pt. – Gualala Pt. Coastal San Francisco Bay Santa Cruz Mountains Watersheds with historical records of Coho Salmon Dependent populations Tunitas Independent populations San Gregorio Pescadero Gazos Waddell Scott San Vicente Laguna Soquel San Lorenzo Aptos Land-use activities: 1800-1905 Logging: the early years • Pit and whipsaw era (pre-1842) – spatially limited, low demand – impacts relatively minor • Water-powered mills (1842-1875) – Demand fueled by Gold Rush – Mills cut ~5,000 board ft per day = 10 whip sawyers – Annual cut 1860 = ~10 million board ft • Steam-powered mills (1876-1905) – Circular saws doubled rate to ~10,000 board ft/day x 3-10 saws – Year-round operation (not dependent on water) – Annual cut 1884 = ~34 million board ft – Exhausted timber supply Oxen team skidding log on corduroy road (Mendocino Co. ca 1851) Krisweb.com Oxen team hauling lumber at Oil Creek Mill San Lorenzo Valley Museum collection oldoregonphotos.com San Vicente Lumber Company (ca 1908): steam donkey & rail line Santa Cruz Museum of Art & History Loma Prieta Mill, Mill Pond, and Rail Line (ca 1888) Santa Cruz Museum of Art & History The Saw-Dust Nuisance “We have always maintained that lumberman dumping their refuse timber and saw-dust into the San Lorenzo River and its tributaries were committing a nuisance. -
Introduction San Andreas Fault: an Overview
Introduction This volume is a general geology field guide to the San Andreas Fault in the San Francisco Bay Area. The first section provides a brief overview of the San Andreas Fault in context to regional California geology, the Bay Area, and earthquake history with emphasis of the section of the fault that ruptured in the Great San Francisco Earthquake of 1906. This first section also contains information useful for discussion and making field observations associated with fault- related landforms, landslides and mass-wasting features, and the plant ecology in the study region. The second section contains field trips and recommended hikes on public lands in the Santa Cruz Mountains, along the San Mateo Coast, and at Point Reyes National Seashore. These trips provide access to the San Andreas Fault and associated faults, and to significant rock exposures and landforms in the vicinity. Note that more stops are provided in each of the sections than might be possible to visit in a day. The extra material is intended to provide optional choices to visit in a region with a wealth of natural resources, and to support discussions and provide information about additional field exploration in the Santa Cruz Mountains region. An early version of the guidebook was used in conjunction with the Pacific SEPM 2004 Fall Field Trip. Selected references provide a more technical and exhaustive overview of the fault system and geology in this field area; for instance, see USGS Professional Paper 1550-E (Wells, 2004). San Andreas Fault: An Overview The catastrophe caused by the 1906 earthquake in the San Francisco region started the study of earthquakes and California geology in earnest. -
Field Guide to Neotectonics of the San Andreas Fault System, Santa Cruz Mountains, in Light of the 1989 Loma Prieta Earthquake
Department of the Interior U.S. Geological Survey Field Guide to Neotectonics of the San Andreas Fault System, Santa Cruz Mountains, in Light of the 1989 Loma Prieta Earthquake | Q|s | Landslides (Quaternary) I yv I Vaqueros Sandstone (Oligocene) r-= I San Lorenzo Fm., Rices Mudstone I TSr I member (Eocene-Oligocene) IT- I Butano Sandstone, ' Pnil mudstone member (Eocene) Coseismic surface fractures, ..... dashed where discontinuous, dotted where projected or obscured ___ _ _ Contact, dashed where approximately located >"«»"'"" « « Fault, dotted where concealed V. 43? Strike and dip Strike and dip of of bedding overturned bedding i Vector Scale / (Horizontal Component of Displacement) OPEN-FILE REPORT 90-274 This report is preliminary and has not been reviewed for conformity with U. S. Geological Survey 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. Men to Park, California April 27, 1990 Department of the Interior U.S. Geological Survey Field Guide to Neotectonics of the San Andreas Fault System, Santa Cruz Mountains, in Light of the 1989 Loma Prieta Earthquake David P. Schwartz and Daniel J. Ponti, editors U. S. Geological Survey Menlo Park, CA 94025 with contributions by: Robert S. Anderson U.C. Santa Cruz, Santa Cruz, CA William R. Cotton William Cotton and Associates, Los Gatos, CA Kevin J. Coppersmith Geomatrix Consultants, San Francisco, CA Steven D. Ellen U. S. Geological Survey, Menlo Park, CA Edwin L. Harp U. S. Geological Survey, Menlo Park, CA Ralph A. -
Fire Management.Indd
Fire today ManagementVolume 65 • No. 2 • Spring 2005 LLARGEARGE FFIRESIRES OFOF 2002—P2002—PARTART 22 United States Department of Agriculture Forest Service Erratum In Fire Management Today volume 64(4), the article "A New Tool for Mopup and Other Fire Management Tasks" by Bill Gray shows incorrect telephone and fax numbers on page 47. The correct numbers are 210-614-4080 (tel.) and 210-614-0347 (fax). Fire Management Today is published by the Forest Service of the U.S. Department of Agriculture, Washington, DC. The Secretary of Agriculture has determined that the publication of this periodical is necessary in the transaction of the pub- lic business required by law of this Department. Fire Management Today is for sale by the Superintendent of Documents, U.S. Government Printing Office, at: Internet: bookstore.gpo.gov Phone: 202-512-1800 Fax: 202-512-2250 Mail: Stop SSOP, Washington, DC 20402-0001 Fire Management Today is available on the World Wide Web at http://www.fs.fed.us/fire/fmt/index.html Mike Johanns, Secretary Melissa Frey U.S. Department of Agriculture General Manager Dale Bosworth, Chief Robert H. “Hutch” Brown, Ph.D. Forest Service Managing Editor Tom Harbour, Director Madelyn Dillon Fire and Aviation Management Editor Delvin R. Bunton Issue Coordinator The U.S. Department of Agriculture (USDA) prohibits discrimination in all its programs and activities on the basis of race, color, national origin, sex, religion, age, disability, political beliefs, sexual orientation, or marital or family status. (Not all prohibited bases apply to all programs.) Persons with disabilities who require alternative means for communica- tion of program information (Braille, large print, audiotape, etc.) should contact USDA’s TARGET Center at (202) 720- 2600 (voice and TDD). -
Local Hazard Mitigation Plan Five Year Update 2017–2022
CITY OF SANTA CRUZ Local Hazard Mitigation Plan Five Year Update 2017–2022 Hazard Mitigation is any action taken to reduce or eliminate the long-term risk to human life and property from hazards. ~ Title 44 Code of Federal Regulations (§206.401) Adopted by the City Council xxxx xx, 2017 Table of Contents APPENDICES .......................................................................................................................................................... II MAPS AND FIGURES ................................................................................................................................................ II TABLES ................................................................................................................................................................ III HOW TO USE THIS PLAN ......................................................................................................................................... IV PART 1 — INTRODUCTION AND ADOPTION .................................................................................................. 1 INTRODUCTION ..................................................................................................................................................... 2 ACKNOWLEDGEMENTS ............................................................................................................................................ 4 SUMMARY ........................................................................................................................................................... -
Caldor Fire Incident Update
CALDOR FIRE z INCIDENT UPDATE Date: 9/9/2021 Time: 7:00 a.m. Information Line: (530) 303-2455 @CALFIREAEU @CALFIRE_AEU @EldoradoNF Media Line: (530) 806-3212 Incident Websites: www.fire.ca.gov/current_incidents @CALFIREAEU https://inciweb.nwcg.gov/incident/7801/ @EldoradoNF Email Updates (sign-up): https://tinyurl.com/CaldorEmailList El Dorado County Evacuation Map: https://tinyurl.com/EDSOEvacMap INCIDENT FACTS Incident Start Date: August 14, 2021 Incident Start Time: 6:54 P.M. Incident Type: Wildland Fire Cause: Under Investigation Incident Location: 2 miles east of Omo Ranch, 4 miles south of the community of Grizzly Flats CAL FIRE Unit: Amador – El Dorado AEU Unified Command Agencies: CAL FIRE AEU, USDA Forest Service – Eldorado National Forest Size: 217,946 Containment: 53% Expected Full Containment: September 27, 2021 First Responder Fatalities: 0 First Responder Injuries: 9 Civilian Fatalities: 0 Civilian Injuries: 2 Structures Threatened: 24,647 Structures Damaged: 80 Single Residences Commercial Properties Other Minor Structures 778 18 202 Destroyed: Destroyed: Destroyed: ASSIGNED RESOURCES Engines: 320 Water Tenders: 82 Helicopters: 43 Hand Crews: 59 Dozers: 52 Other: 34 Total Personnel: 4,532 Air Tankers: Numerous firefighting air tankers from throughout the state are flying fire suppression missions as conditions allow. CURRENT SITUATION WEST ZONE The fire continued to be active throughout the night. Minimal growth occurred in the Situation Summary: northeast and southern areas of the fire perimeter. Firefighters worked diligently last night picking up minor spot fires and mitigating threats to structures. Today crews will continue Incident Information: working along the southern edge to secure more control line and keep the fire north of Highway 88. -
Mount Umunhum Environmental Restoration and Public Access Implementation
COASTAL CONSERVANCY Staff Recommendation February 14, 2013 MOUNT UMUNHUM ENVIRONMENTAL RESTORATION AND PUBLIC ACCESS IMPLEMENTATION Project No. 12-036-01 Project Manager: Jeff Melby RECOMMENDED ACTION: Authorization to disburse up to $1,000,000 to the Midpeninsula Regional Open Space District to implement environmental restoration and public access improvements at Mount Umunhum in Santa Clara County. LOCATION: Near the cities of Los Gatos and San Jose, Santa Clara County PROGRAM CATEGORY: San Francisco Bay Area Conservancy EXHIBITS Exhibit 1: Project Location and Site Maps Exhibit 2: Project Photographs Exhibit 3: Final Environmental Impact Report, including public comments received, and Mitigation Monitoring Plan (provided to Conservancy members as a separate CD and otherwise available for review at http://www.openspace.org/plans_projects/mt_umunhum.asp) Exhibit 4: Project Letters RESOLUTION AND FINDINGS: Staff recommends that the State Coastal Conservancy adopt the following resolution pursuant to Sections 31160-31165 of the Public Resources Code: “The State Coastal Conservancy hereby authorizes disbursement of an amount not to exceed one million dollars ($1,000,000) to the Midpeninsula Regional Open Space District (MROSD) to implement environmental restoration and public access improvements at Mount Umunhum in Santa Clara County, subject to the following conditions: A. Prior to the disbursement of Conservancy funds for construction, MROSD shall submit for the review and approval of the Executive Officer of the Conservancy: 1. Evidence that the MROSD has obtained all necessary permits and approvals Page 1 of 12 MOUNT UMUNHUM ENVIRONMENTAL RESTORATION AND PUBLIC ACCESS IMPLEMENTATION 2. A signing plan acknowledging Conservancy participation and identifying the trail to the summit of Mount Umunhum as part of the San Francisco Bay Area Ridge Trail system, as applicable 3. -
Mapping Ghost Towns in the Santa Cruz Mountains
Humboldt State University Digital Commons @ Humboldt State University GSP Projects Student and Alumni Works Fall 12-2020 Mapping Ghost Towns in the Santa Cruz Mountains Sarah Christine Brewer Humboldt State University, [email protected] Follow this and additional works at: https://digitalcommons.humboldt.edu/gspproject Part of the Archaeological Anthropology Commons, Geographic Information Sciences Commons, and the History Commons Recommended Citation Brewer, Sarah Christine, "Mapping Ghost Towns in the Santa Cruz Mountains" (2020). GSP Projects. 1. https://digitalcommons.humboldt.edu/gspproject/1 This Project is brought to you for free and open access by the Student and Alumni Works at Digital Commons @ Humboldt State University. It has been accepted for inclusion in GSP Projects by an authorized administrator of Digital Commons @ Humboldt State University. For more information, please contact [email protected]. Mapping Ghost Towns in the Santa Cruz Mountains GSP 510 Final Project BY: SARAH BREWER DECEMBER 2020 Abstract This project identifies areas of archaeological sensitivity for historic resources related to the segment of the South Pacific Coast Railroad that spanned from Los Gatos to Glenwood in the steep terrain of the Santa Cruz Mountains in Central California. The rail line was only in use for 60 years (1880-1940) until the completion of a major highway drew travelers to greater automobile use. During the construction and operation of the rail line, small towns sprouted at the railroad stops, most of which were abandoned along with the rail line in 1940. Some of these towns are now inundated by reservoirs. This project maps the abandoned rail line and “ghost towns” by using ArcGIS Pro (version 2.5.1) to digitize the railway, wagon roads, and structures shown on a georeferenced topographic quadrangle created in 1919 (Marshall et al., 1919). -
Mount Madonna County Park Area Property Acquisition
COASTAL CONSERVANCY Staff Recommendation October 18, 2012 MOUNT MADONNA COUNTY PARK AREA PROPERTY ACQUISITION Project No. 12-033-01 Project Manager: Jeff Melby RECOMMENDED ACTION: Authorization to disburse up to $750,000 to the Peninsula Open Space Trust for acquisition of the 490-acre Mount Madonna County Park Area property in Santa Clara County. LOCATION: West of the City of Gilroy and adjacent to Mount Madonna County Park in unincorporated Santa Clara County. PROGRAM CATEGORY: San Francisco Bay Area Conservancy EXHIBITS Exhibit 1: Project Location and Site Maps Exhibit 2: Project Photographs Exhibit 3: Conservation Lands Network Analysis Exhibit 4: Project Letters RESOLUTION AND FINDINGS: Staff recommends that the State Coastal Conservancy adopt the following resolution pursuant to Sections 31160-31165 of the Public Resources Code: “The State Coastal Conservancy hereby authorizes the disbursement of up to $750,000 (seven hundred fifty thousand dollars) to Peninsula Open Space Trust (POST) for acquisition of the 490-acre Mount Madonna County Park Area property (Santa Clara County Assessor’s Parcel Numbers 756-42-001, 756-47-006, 756-47-007, 756-48-013, and 756-48-011) , more particularly described in Exhibit 1, attached to the accompanying staff recommendation, for the purposes of preserving open space, scenic resources, plant and wildlife communities, and other natural resources; protecting watersheds; and enabling natural resource-compatible public access. This authorization is subject to the following conditions: 1. Prior to disbursement of any Conservancy funds, POST shall submit for review and approval by the Executive Officer of the Conservancy (“the Executive Officer”): a. All relevant acquisition documents including but not limited to the appraisal, environmental assessments, agreement of purchase and sale, easements, escrow Page 1 of 8 MOUNT MADONNA COUNTY PARK AREA PROPERTY ACQUISITION instructions, title reports and documents of title necessary for the purchase of the property. -
Views Fall 17.Prt..2.Indd
MIDPENINSULA REGIONAL OPEN SPACE DISTRICT Celebrating Over 45 Years of Open Space Preservation QUARTERLYVIEWS NEWS ON OPEN SPACE PRESERVATION AND PROGRAMS • FALL 2017 Find Your Connection Atop Mount Umunhum ount Umunhum’s towering summit opens to the public for the fi rst time this fall thanks to you, local voters, who made it possible by passing M Measure AA. Beginning Monday, September 18 we welcome you to connect with and experience this special place. Gain Perspective Immerse Yourself in Nature Enjoy breathtaking 360-degree views of our region including As the peak is restored its serpentine geology and unique San Francisco, Monterey Bay, the Pacifi c Ocean and sometimes community of plants and animals are revealed. Join our even the Sierras from ADA-accessible viewpoints. docents for a guided look at Mount Umunhum’s natural history. Discover a Rich History Explore New Trails Delve into Mount Umunhum’s fascinating past going back Bike, hike or horseback ride (sorry, no dogs) up to the summit thousands of years through interpretive exhibits. Download from Bald Mountain parking area using the 3.7-mile, the audio tour to hear Air Force veterans, Native Americans newly-constructed Mt. Umunhum Trail. Enjoy views, and others tell their stories about life on the mountain. woodlands and the headwaters of Guadalupe Creek. Know Before You Go at www.mountumunhum.org Prepare for all Weather Bring Water and Snacks Conditions at 3,486 feet can be extreme, even None are available at the summit. on a pleasant day at lower elevations. Get Directions Leave the Dog Home The summit can be reached by Mt. -
Mount Umunhum
A Storied History Mount Umunhum History and Timeline Mount Umunhum How to Get There Sierra Azul Open Space Preserve We invite you to visit Mount Umunhum, as people have done for thousands of years. Learn its rich Mount Umunhum is ONLY accessible via 8,000 BCE–1770s: Native stories steeped in Native American history, gold Hicks Road to Mt. Umunhum Road. Do not A Mountain Made of Stories Americans inhabited the rush-era mining, and the Cold War, and help create take any other route recommended by online region and cared for Los 85 The Natural World Gatos C Mount Umunhum’s next chapter as one of the maps or your GPS device – these directions the land a m San Jose Mount For millions of years, Mount Umunhum has been 9 d Bay Area’s great publicly accessible peaks. This include roads with locked gates. 17 e shaped by close proximity to the San Andreas 1769: First contact between n mountain was sacred to local native people. In Spanish explorers and Avenue Mount Umunhum Summit Parking Area fault system. The unique geology and low-nutrient St. 1850, it was part of California’s first mining claim native tribes El Sereno H Parking is available at the Summit, accessible serpentine soils are home to many rare native Joseph’s ic and was inhabited, explored, and timbered by ks Umunhum from Mt. Umunhum Road. Parking is only plants. The headwaters of several creeks originate R Hill oa settlers. In 1957, the Summit was occupied by the d allowed in designated spaces. on the mountain, and critical reservoirs are tucked Almaden Air Force Station (1957-1980), one of Sierra Azul into its foothills on all sides. -
USGS Professional Paper 1740
Age, Stratigraphy, and Correlations of the Late Neogene Purisima Formation, Central California Coast Ranges By Charles L. Powell II1, John A. Barron1, Andrei M. Sarna-Wojcicki1, Joseph C. Clark2, Frank A. Perry3, Earl E. Brabb4, and Robert J. Fleck1 Abstract Counties inland to the San Andreas Fault (fig. 1). These scat- tered outcrops have been grouped as the Purisima Formation The Purisima Formation is an important upper Miocene because they are all fine- to coarse-grained clastic rocks, with and Pliocene stratigraphic unit in central California, cropping dark andesitic fragments and locally abundant silicic tephra, out from the coast at Point Reyes north of San Francisco to and occupy the same stratigraphic position at their various more extensive exposures in the Santa Cruz Mountains to the exposures. Since first described by Haehl and Arnold (1904), south. The fine-grained rocks in the lower parts of the Puri- the Purisima Formation has been considered to be of Pliocene sima Formation record a latest Miocene transgressive event, or of late Miocene to Pliocene age. Differing age assignments whereas the middle and upper parts of the formation consist have resulted from the wide stratigraphic range of many com- of increasingly clastic-rich siltstones and sandstones resulting monly encountered megafossils and from the lack of agree- from uplift of adjacent coastal regions and the Sierra Nevada ment on the placement of the Miocene-Pliocene Series bound- during Pliocene transgressive and regressive sea-level events. ary between the provincial megafaunal chronology and that Exposures of the Purisima occur in three different, fault- of international usage.