Dixie National Forest This Report Contains the Best Available Information at the Time of Publication
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The Science Behind Volcanoes
The Science Behind Volcanoes A volcano is an opening, or rupture, in a planet's surface or crust, which allows hot magma, volcanic ash and gases to escape from the magma chamber below the surface. Volcanoes are generally found where tectonic plates are diverging or converging. A mid-oceanic ridge, for example the Mid-Atlantic Ridge, has examples of volcanoes caused by divergent tectonic plates pulling apart; the Pacific Ring of Fire has examples of volcanoes caused by convergent tectonic plates coming together. By contrast, volcanoes are usually not created where two tectonic plates slide past one another. Volcanoes can also form where there is stretching and thinning of the Earth's crust in the interiors of plates, e.g., in the East African Rift, the Wells Gray-Clearwater volcanic field and the Rio Grande Rift in North America. This type of volcanism falls under the umbrella of "Plate hypothesis" volcanism. Volcanism away from plate boundaries has also been explained as mantle plumes. These so- called "hotspots", for example Hawaii, are postulated to arise from upwelling diapirs with magma from the core–mantle boundary, 3,000 km deep in the Earth. Erupting volcanoes can pose many hazards, not only in the immediate vicinity of the eruption. Volcanic ash can be a threat to aircraft, in particular those with jet engines where ash particles can be melted by the high operating temperature. Large eruptions can affect temperature as ash and droplets of sulfuric acid obscure the sun and cool the Earth's lower atmosphere or troposphere; however, they also absorb heat radiated up from the Earth, thereby warming the stratosphere. -
USDA Forest Service Guidelines for Consultants for Identifying, Recording, & Evaluating Archaeological Resources in UTAH April 20, 2020
USDA Forest Service Guidelines for Consultants for Identifying, Recording, & Evaluating Archaeological Resources in UTAH April 20, 2020 CONTENTS INTRODUCTION & CONTACTS ....................................................................................................................... 2 GENERAL REQUIREMENTS ............................................................................................................................ 4 Policy ......................................................................................................................................................... 4 Professional Qualifications ....................................................................................................................... 4 Bids ............................................................................................................................................................ 4 Permits for Archaeological Investigations ................................................................................................ 5 Project Numbers ....................................................................................................................................... 5 Site Numbers ............................................................................................................................................. 5 Discoveries ................................................................................................................................................ 5 Confidentiality .......................................................................................................................................... -
News Release
NEWS RELEASE USDA FOREST SERVICE ● Intermountain Region 324 25th STREET OGDEN, UTAH 84401 ● Web: http://www.fs.fed.us/r4 Release No. R4-1201 Contact: Erin O’Connor 801-625-5347 Mitch Snow 202-912-7368 National Forests Added and Comment Period Formally Extended on Planning for Sage Grouse Conservation Measures In cooperation with the Forest Service, the Bureau of Land Management will issue a corrected Notice of Intent to address sage-grouse in 10 additional National Forest System Lands and Resource Management Plans and formally extended the comment period through March 23, 2012. The notice will appear in the February 10, 2012 Federal Register. The Bureau of Land Management (BLM) and the U.S. Forest Service (USFS) are seeking public comment on issues that should be addressed in Environmental Impact Statements (EIS’s) and Supplemental Environmental Impact Statements (SEIS’s) that will evaluate and provide greater sage-grouse conservation measures in land use plans in 10 Western states. This notice continues public comment on the scoping process for the EISs/SEISs through March 23, 2012. The EIS’s/SEIS’s will be coordinated under two regions: The Rocky Mountain Region, previously designated as the Eastern Region, which includes land use plans in the states of Colorado, Wyoming, North Dakota, South Dakota and portions of Utah and Montana; and the Great Basin Region, previously designated as the Western Region, which includes land use plans in northeastern California, Oregon, Idaho, Nevada, and portions of Utah and Montana. Within the Rocky Mountain Region, the potentially affected National Forest System Land Management Plans include: Colorado’s Routt National Forest Wyoming’s Thunder Basin National Grassland, Medicine Bow National Forest and the Bridger-Tetons National Forest. -
Position Outreach Announcement
USDA FOREST SERVICE INTERMOUNTAIN REGION, R4 Wildlife Biologist GS-0486-11 Dixie National Forest Fishlake National Forest Uinta/Wasatch Cache National Forest Supervisors Office Supervisors Office Supervisors Office 1789 N Wedgewod Lane 115 E 900 N 857 W South Jordan Parkway Cedar City, UT 84721 Richfield, UT 84701 South Jordan, UT 84095 (435) 865-3700 (435) 896-9233 (801) 999-2103 A vacancy announcement to fill a GS-0486-11 Wildlife Biologist term not to exceed 4 year position will be posted on the USAJOBS web site, http://www.usajobs.gov in the near future. This is a term position opportunity not to exceed one year, with the possibility of extension of up to four years depending on funding and availability of work. At the end of the term, the incumbent will be terminated. This notification is being circulated to inform prospective applicants of this opportunity. If interested please respond no later than September 27th. You may also obtain a copy of the announcement after the position has been advertised by contacting Julie Whicker – Administrative Support Assistant at (435) 865-3716 or e-mail [email protected]. Description of duties… Incumbent is responsible for wildlife program management, policy and planning, inspection and evaluation of wildlife, and conducting and reviewing wildlife surveys and studies. In addition to the above duties the incumbent serves as a key member of the Forest Service Interdisciplinary Team working on three major electrical transmission line projects across Utah National Forests. Position must be able to build relationships with remote Interdisciplinary colleagues within the Forest Service, other agencies, and private sector environmental consultants. -
Documented by Mcdonald and Harbaugh (1988) Was Used for This Sirrulation
srATE OF UTAH DEPAR'IMENI' OF NATURAL RESCURCES Tedmical Publication lb. 102 GROUND-WATER HYrROLCGY OF THE UPPER SE.VIER RIVER BASIN, SClJIH-cENrnAL UTAH, AID SIMULATION OF GROUND-WATER F'I.(W IN THE VALLEY-FILL AlJJIFER IN PAN:lliI'ICH VALLEY By Susan A. 'Ihiros am William C. Brothers Prepared by the Uni ted States Geological Survey in cooperation with the Utah Departnent of Natural Resources Division of water Rights 1993 Page Abstract 1 Introduction ••••••• I Purp:>se arrl soope 3 Methods of investigation . 3 Ackoowledgnents 3 Numberi~ system for hydrologic-data sites •••••••••••••• 3 Description of the study area ................................... 4 Geologic setti~ ........................................... 6 Climate .................................................... 8 vegetation . 9 Iarrluse ................................................... 10 Surface-water hydrology .................................... 10 Ground-water hydrology of oonsolidated rocks 11 Ground-water hydrology of the valley-fill aquifer in Panguitch Valley 13 Recharge 14 seepage fran streams 14 seepage fran caIla.1s ••••••••••••••••••••••••••••••••••••••••• 15 seepage fran unconsuned irrigation water ••••••••••••••••• 16 Infiltration of precipitation •••••••••••••••••••••••• 22 seepage fran consolidated rock ....................... 22 Movanent 22 Discharge 23 seepage to the Sevier River and canals ••••••••••••••••••• 23 E.Va]?CJtraIlSpiration . 24 Springs 25 wells 25 Slll:::surfare outfl~ •••••••••..•.••••••.•••••••••••••••••.••• 26 Water-level fluctuations 26 -
Factors Affecting Cottonwood Recruitment in Zion National Park
Factors Affecting Cottonwood Recruitment in Zion National Park Final Report to National Park Service CPCESU, Project number OSU 3 and OSU 4 Cooperative Agreement CA# H1200040002 By William J. Ripple1 and Robert L. Beschta College of Forestry Oregon State University, Corvallis, OR 97331 E-mail: [email protected] Phone: (541) 737-3956 Fax: (541) 737-3049 January 29, 2007 1 Corresponding author 1 Factors Affecting Cottonwood Recruitment in Zion National Park Abstract The strength of top-down forces in terrestrial food webs is highly debated as there are few examples illustrating the role of large mammalian carnivores in structuring biotic and abiotic systems. Based on the results of this study we hypothesize that an increase in human visitation within Zion Canyon of Zion National Park ultimately resulted in a catastrophic regime shift through pathways involving trophic cascades and abiotic environmental changes. Increases in human visitors in Zion canyon apparently reduced cougar (Puma concolor) densities, which subsequently led to higher mule deer (Odocoileus hemionus) densities, higher browsing intensities and reduced recruitment of riparian cottonwood trees (Populus fremontii), increased bank erosion, and reductions in both terrestrial and aquatic species abundance. These results may have broad implications with regard to our understanding of alternative ecosystem states where large carnivores have been removed or are being recovered. Key Words: predator, cottonwood, deer, stream, biodiversity, Leopold 2 Introduction Humans can have a major role in food web dynamics by displacing or extirpating top predators. Over a half century ago, the iconoclast Aldo Leopold was among the first to argue that elimination of large mammalian predators had strong top-down influences on ecosystems (Leopold et al., 1947). -
SOPA) 04/01/2019 to 06/30/2019 Dixie National Forest This Report Contains the Best Available Information at the Time of Publication
Schedule of Proposed Action (SOPA) 04/01/2019 to 06/30/2019 Dixie National Forest This report contains the best available information at the time of publication. Questions may be directed to the Project Contact. Expected Project Name Project Purpose Planning Status Decision Implementation Project Contact Projects Occurring in more than one Region (excluding Nationwide) Amendments to Land - Land management planning In Progress: Expected:01/2019 02/2019 John Shivik Management Plans Regarding - Wildlife, Fish, Rare plants NOI in Federal Register 801-625-5667 Sage-grouse Conservation 11/21/2017 [email protected] EIS Est. DEIS NOA in Federal Register 06/2018 Description: The Forest Service is considering amending its land management plans to address new and evolving issues arising since implementing sage-grouse plans in 2015. This project is in cooperation with the USDI Bureau of Land Management. Web Link: https://www.fs.usda.gov/detail/r4/home/?cid=stelprd3843381 Location: UNIT - Ashley National Forest All Units, Boise National Forest All Units, Bridger-Teton National Forest All Units, Beaverhead-Deerlodge National Forest All Units, Medicine Bow-Routt National Forest All Units, Dixie National Forest All Units, Fishlake National Forest All Units, Salmon-Challis National Forest All Units, Sawtooth National Forest All Units, Humboldt-Toiyabe National Forest All Units, Manti-La Sal National Forest All Units, Caribou- Targhee National Forest All Units, Uinta-Wasatch-Cache All Units. STATE - Colorado, Idaho, Montana, Nevada, Utah, Wyoming. -
Brian Head Peak, Iron County
Brian Head Peak, Iron County Robert F. Biek1 and Peter D. Rowley2 1Utah Geological Survey, P.O. Box 146100, Salt Lake City, UT 84114-6100, [email protected] 2Geologic Mapping Inc., P.O. Box 651, New Harmony, UT 84757 Utah Geosites 2019 Utah Geological Association Publication 48 M. Milligan, R.F. Biek, P. Inkenbrandt, and P. Nielsen, editors Cover Image: Th e type section of the Brian Head Formation (Tbh) is on the ridge just right of center (by the Tbh label). Brian Head peak is capped by the Leach Canyon Formation (Tql), which overlies the Isom Formation (Ti). A modern landslide (Qms) is west and south of the peak. M. Milligan, R.F. Biek, P. Inkenbrandt, and P. Nielsen, editors 2019 Utah Geological Association Publication 48 Presidents Message I have had the pleasure of working with many diff erent geologists from all around the world. As I have traveled around Utah for work and pleasure, many times I have observed vehicles parked alongside the road with many people climbing around an outcrop or walking up a trail in a canyon. Whether these people are from Utah or from another state or country, they all are quick to mention to me how wonderful our geology is here in Utah. Utah Geosites 2019 Utah is at the junction of several diff erent geological provinces. We have the Basin and Range to the west and the Central Utah Utah Geological Association Publication 48 Hingeline and Th rust Belt down the middle. Th e Uinta Mountains M. Milligan, R.F. Biek, P. Inkenbrandt, and P. -
Interim Geologic Map of the Southwestern Quarter of the Beaver 30' X 60' Quadrangle Utah Department of Natural Resources
Plate 1 UTAH GEOLOGICAL SURVEY Utah Geological Survey Open-File Report 686DM a division of Interim Geologic Map of the Southwestern Quarter of the Beaver 30' x 60' Quadrangle Utah Department of Natural Resources 113°00'00" 112°52'30" 112°45'00" 112°37'30" 112°30'00" b E E E E E ! ! E ! E ! E E ! ! E E ! ! ! ! F ! E ! 38°15'00" ! ! 38°15'00" ! ! ! ! ! ! ! ! ! ! ! ! ! ! Tm (Ticl) QTs Qms *c ! Qal1 1 Ppk ! Qat ! Tm (Jn) E QTs Qal1 ! Qaf1 Qaf3 Tm (Tdv) Qat1 ! E ! E Qal1 Tm (Tlk) ! Pt M Tm (Tdv) ! Qaf ! E E 4 ! Qaf2 ! Qat1 E Qms A ! ! E ! E ! Qal1 Tm ! ! R ! Qal1 ! ! Tm ! E ! ! Qat1 ! Qaf1 31 K ! ! ! ! ! ! ^m ! ! A ! Pp ! 1 ! ! Qat ! (Tda) G ! ! ! ! ! (Tdv) ! E ! E ! E ! U ! ! ! E 1 E ! ! Qat ! ! ! N ! ! Tm (Tdv) ! ! ! ! E ! ! ! ! T ! ! QTs ! ! Qat2 2 ! Qaf ! ! Tm ! E E ! ! Qaf2 Tm (Tdv) ! ! ! Qaf1 Qat1 ! ! ! Tm (Tlk) ! E E ! ! E Tm (Ticl) ! ! Qat1 ! ! E ! ! ! ! ! ! (Tda) b ! Qat1 ! E ! ! Qaf3 ! ! ! Qaf1 ! ! E ! 7 ! E ! E ! ! ! ! Qaf3 Pt E 1 ! ! Qaf ! ! Tm (Tin) Tb Qat2 ! ! ! ! ^cm ! ! E E 1 ! ! ! Qaf ! Qaf2 Qaf3 ! ! ! E Qaf3 ! E ! Tm (Tlk) ! ! ! ! ! ! ! ! Ppk E ! ! E ! ! ! ! ! ! ! E 3 ! Qaf E Qaf3 ! ! 1 ! E Qaf ! ! E ! ! ! ! ! ! E ! ! ! ! Qaf1 ! ! ! ! ! ! ! ! Tm (Tlb) ! ! ! ! ! E ! Tm (Tdb) ! ! ! ! E Tm ! ! ! E Qaf2 ! E ! ! Tm (Tda) E ! ! ! ! 2 ! ! Qaf Pq ! E ! ! ! E E ! ! E ! ! ! ! ! ! ! ! Tm (Tdv) E Qaf3 ! ! ! (Tin) ! Qaf2 ! ! ! E ! E ! Qaf2 E ! ! ! ! ! ! Qaf2 ! Tm (Tdv) ! ! ! ! ! E ! ! ! Tm E ! ! Qat1 ! ! Tm (Tdv) ! Qaf1 ! ! E ! ! ! ! E ! E ! Qal ! 2 ! ! ! E E! ! Tm (Tda) ! ! ! ! ! Tm (Tdv) ! ! ! ! ! ! E E E ! ! E ! ! ! ! Tm (Tdv) ! ! -
Hydrology Specialist Report
Motorized Travel Plan Hydrology Specialist Report Hydrology Specialist Report Motorized Travel Plan Dixie National Forest Reeds Valley, Cedar City Ranger District Prepared by Bill Goodman, East Zone Hydrologist and Chris Butler, West Zone Hydrologist May 2008 Updated March 2009 1 March 2009 Motorized Travel Plan Hydrology Specialist Report Table of Contents 3.0 Affected Environment.............................................................................................................2 3.1 Existing Conditions ............................................................................................................2 4.0 Environmental Consequences ...............................................................................................9 4.1 Direct and Indirect Effects..................................................................................................9 4.2 Cumulative Effects ...........................................................................................................17 5.0 Project Design Criteria Common to All Action Alternatives..................................................22 6.0 Compliance with Other Laws and Regulations ....................................................................23 6.1 Clean Water Act...............................................................................................................23 6.2 Executive Order 11988 (Protection of Floodplains) of May 24, 1977...............................23 6.3 Executive Order 11990 (Protection of Wetlands) of May 24, 1977..................................23 -
Dixie National Forest Location
!(21 ¨¦§70 (!257 K Koosharem !(62 !(72 £¤89 !(21 !(24 ¨¦§15 Marysvale Milford Loa Lyman Capitol Reef Bicknell National UTAH NEVADA !(21 !(24 Park Torrey Beaver !(21 (!153 (!153 Junction Minersville !(12 !(62 Kingston !(62 (!130 Circleville Fremont River Ranger District £¤89 Antimony (Administered by Fishlake National Forest) ¨¦§15 !(20 Escalante Ranger District Boulder Box Death-Hollow Paragonah Powell Wilderness Ranger District !(12 (!130 Parowan Panguitch !(56 £¤89 Enoch 143 143 (! (! !(12 Escalante ¨¦§15 Pine Lake Cedar City Brian Head Panguitch Lake !(12 !(14 !(18 !(56 Cedar Ashdown Hatch Gorge Breaks Glen Canyon WildernessNational Cedar City Tropic National Monument Bryce Ranger District Recreation Area Enterprise Tropic Reservoir Canyon National !(12 Park Cannonville Henrieville Enterprise Reservoir Kanarraville Navajo Lake Pine Valley New Harmony !(14 Ranger District ¨¦§15 s £¤89 s e n r Alton e d l i W in ta n u o M Grand Staircase-Escalante y le al V National Monument ne Pi Glendale Zion National Park Orderville !(9 £¤89 !(18 Leeds La Verkin !(9 Ivins Virgin Glen Canyon £¤59 Santa Clara Hurricane National Recreation Rockville Washington Area £¤89 ¨¦§15 St. George £¤89 £¤89 £¤59 Big Water ¨¦§84 Legend Oil & Gas Leasing EIS on Lands Administered Original data was compiled from multiple source Cities National Forest System Lands Other Land Administration data and may not meet the U.S. National Mapping 80 by the Dixie National Forest ¨¦§ ¨¦§215 £¤40 Accuracy Standard of the Office of Management £¤189 Minor Roads* Dixie National Forest Private and Budget. For specific dates and/or additional digital information, contact the Forest Supervisor, Dixie National Forest, Cedar City, Utah. -
Mammoth Cave - Markagunt Plateau
MAMMOTH CAVE - MARKAGUNT PLATEAU Rating: Easy Caving Length: 1+ hours Gear: Standard Caving Gear (Headlamps, helmet) Maps: ASAY BENCH, UT Season: Spring, Summer, Fall Waypoints: Trailhead 12S 359742mE 4159178mN N37° 34' 08" W112° 35' 18" Main Entrance 12S 359757mE 4159102mN N37° 34' 06" W112° 35' 17" Entrance/Exit 1 12S 359698mE 4159040mN N37° 34' 04" W112° 35' 19" Entrance/Exit 2 12S 359829mE 4159192mN N37° 34' 09" W112° 35' 14" Entrance/Exit 3 12S 359857mE 4159217mN N37° 34' 10" W112° 35' 13" Hype Mammoth Cave is likely the longest lava tube in Utah. The cave boasts over 2100 feet of passages, with 5 entrances and several different chambers. This is a lovely family friendly adventure. Most of the passages are large enough to easily move through with a little stooping, though some are small enough to require a bit of crawling. Bring a few headlamps and a helmet and make a day of it. Pit toilet and picnic tables at the trailhead make this a popular gathering spot for groups. Note: The largest chamber is home to several species of bats. To protect the Townsend's big-eared bats that hibernate here during the winter, that section of the cave is gated and closed between September 30th and late May each year when the bats leave. When closed, there are still other sections that are open and worth visiting. Tags: cave, family friendly, access: 2wd Trailhead From the north end of Cedar Breaks National Monument, at the junction of SR-143 and SR-148, go right (east) toward Panguitch on SR-143 for 9.6 miles to FH 050 on the right.