West Mojave Plan FEIR/S - Desert Managers Group

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ACECNAME ANDNUMBERAfton Canyon(43)Amboy CraterNational NaturalLandmark (87)Barstow WoollySunflower (36)Bedrock Springs(24)Big MorongoCanyon (50)BlackMountain (35)Calico Early Man Site(40)ChristmasCanyon(23)CroneseBasinDesert TortoiseResearch Natural Area(22)Fossil Falls(10)Table 3-57ACEC Route Networks and Principal Recreation ActivitiesSIZEACRESROUTEDESIGNATIONYEARChapter 3 3-270ROUTESTATUS4,726 1989 26 mile designatedroute system679 NA One access route toparking area.314 1982 Mapped routesexcluded; vehiclesExcluded From NW¼ of Section 11;T11N; R6W785 1987 Mapped designatedroute system28,274 19821996Mapped designatedroute system; Routesdesignated in 2002Coachella ValleyPlan Amendment61,806 1988 26-mile designatedroute system898 1984 Mapped designatedroute system3,444 NA No route designationbecause most ofACEC is withinOpen area10,226 1984 Mapped designatedroute system25,695 1988 Designated closed tovehicular use;protected byperimeter fence1,667 1986 Designated routesystemGreat Falls Basin (12) 9,726 1987 Mapped designatedroute systemPRINCIPALRECREATIONACTIVITIESCamping, vehicular touring,equestrian, rock hounding,recreational mining on outsideedges of area.Geologic exploration, rockhoundingNon-vehicular dependent:Hiking, botanizingAccess to prehistoric valuesand Northern portion of theGolden Valley WildernessAreaHiking, wildlife viewing,picnickingOHV recreation and touring,equestrian riding, hiking,camping, prehistoric andhistoric interpretation,recreational mining onnortheastern fringe of area,wilderness recreation.OHV touring, hiking,camping, prehistoric andhistoric interpretationOHV recreation and touring,historic interpretation.Located in between SpanglerHills OHV area and ChinaLake Naval Weapons Center.OHV touring, bird-watching,wildlife viewingHiking, wildlife viewing,shooting.OHV touring, prehistoricappreciation. Located at northend of East Sierra subregion.OHV touring, picnicking, birdwatching,wildlife viewing.Located just north of Trona.
ACECNAME ANDNUMBERHarper Dry Lake(37)Jawbone/Butterbread(20)Juniper Flats(45)Last Chance Canyon(21)Manix(85)SIZEACRESROUTEDESIGNATIONYEARROUTESTATUS475 1982 Mapped designatedroute system; allroutes within 100yards of marshvegetation closed187,486 1982 133 mile designatedroute system2,528 1988 Mapped designatedroute system5,913 1982 Designated routesystemPRINCIPALRECREATIONACTIVITIESOHV touring, bird-watching,equestrian riding. Locatedsouthwest of Black MountainWilderness Area.OHV touring, bird-watching,wildlife watching, rockclimbing.Located south ofEast Sierra subregion.Equestrian riding, OHVrecreation and touring, accessto Deep Creek hot springs.Located north of SanBernardino Mountains.OHV recreation and touring,historic appreciation, wildlifeviewing. Located south of ElPaso Mountains WildernessArea.2,897 NA None Paleontological and historicinterpretation, OHV touring.Located south of Coyotesubregion.Mojave FishhookCactus (77)628 1990 Designated routesystemRainbow Basin (39) 4,087 1991 30 mile designatedroute systemRed Mountain Spring(formerly SquawSpring) (26)Rodman MountainsCultural Area(84)Rose Springs(7)Sand Canyon(11)717 1987 Mapped designatedroute system; areaclosed to vehiculartravel6,204 Routes outsideRodman Mtns.Wilderness weredesignated as part ofOrd-Rodman Plan859 1985 Routes designatedclosed2,609 1989 Specific routeclosuresOHV touring, botanizingCamping, OHV touring,equestrian riding, hiking,geologic, paleontological andprehistoric interpretation.Located in middle of Superiorsubregion.Prehistoric and historicinterpretation. Located innorthern portion of RedMountain subregion.OHV touring and recreation,cultural interpretation, hiking,wilderness recreation.Hiking, wildlife viewing,prehistoric interpretation,hunting. Located in north endof East Sierra subregion.Hiking, wildlife viewing, birdwatching,hunting, culturalinterpretation. Located - inpart- in central East Sierrasubregion.Chapter 3 3-271
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CHAPTER THREEAFFECTED ENVIRONMENT3.
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The CDCA Plan assigns a “multiple
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Desert Tortoise Research Natural Ar
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closure to target shooting. Hunting
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percentage of public land ownership
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As of March 2004, BLM had acquired
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Ripley Joshua Tree Woodland: The st
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through “resource use” designat
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Significant Ecological Areas: There
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Wildlife and Wildflower Sanctuaries
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Mojave River Forks Regional Park: A
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oriented commercial uses are expect
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HCP would include mitigation measur
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3.1.3.12 City of RidgecrestThe City
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It is a goal of the town’s genera
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• Inyo California Towhee (April 1
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(i) The taking will be incidental;(
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handled, and number accidentally ki
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3.1.5 California Endangered Species
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Obtaining an Incidental Take Permit
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Monitoring: Monitoring is often the
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is so restrictive that project dela
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excess moisture. A minus 4 is consi
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Air BasinsN190I n y o C o395Ridgecr
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Federal PM10 Planning AreasN190Owen
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POLLUTANTOzone (O 3 )RespirablePart
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AIRBASINAIR QUALITYDISTRICTPOLLUTAN
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subtraction of transported ozone in
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The general soil information and ma
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The Marine Corps Ground Combat Cent
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The most permeable basin-fill depos
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Surface water was and is the major
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A relatively small number of introd
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freshwater or alkali wetlands, or o
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3.3.2 Desert Tortoise3.3.2.1 Regula
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progress toward meeting the overall
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“higher density” and “lower d
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several seasons (Esque 1994 in Aver
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Assistant District Manager Molly Br
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• Since 1975, federal land manage
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“52 mi 2 of higher density tortoi
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1984 Tortoise Range and Density Map
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Higher Density Tortoise Sign Count
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When data for the three lowest sign
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Occurrence of Tortoises Relative to
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Regional Declines in the Four DWMAs
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Tortoise Distribution within the Re
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Boarman (pers. comm., Nov 2002) has
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tortoises are either extirpated (La
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sites surveyed by LaRue between 199
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aseline data are lacking. Grasses p
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Canine Predators: This includes coy
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The spatial distribution of 12 of 1
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Predation Versus Scavenging of Juve
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Table 3-20Prevalence of Tortoises i
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(Jacobson et al. 1991, Brown et al.
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3.3.2.5.3 Older and Newer Die-off R
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Table 3-21Characteristics of Older
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Table 3-22Characteristics of Older
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of the Johnson Valley Open Area, an
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Distribution of Recreational and Re
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Tortoises and Burrows Crushed: Vehi
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TypeYearsSignCount98-99-01Distance2
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OHV Impacts to Soils: OHV use has r
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Rodman DWMA. There were no higher d
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of Dove Springs that has experience
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Both inside and adjacent to open ar
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3.3.2.6.6 Organized Competitive OHV
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3.3.2.7 Current Effectiveness of Ex
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Overall, one sees that 68% of the 3
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off regions discussed herein. Black
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ManixACECMojave fishhookcactusRainb
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Range of Mohave Ground SquirrelN190
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3.3.3.2.2 Seasonal ActivityThe MGS
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1996). As herbaceous annuals appear
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1998 Mohave Ground Squirrel Transec
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Finally, the 84% success rate was a
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LaRue characterized substrates at t
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There were no MGS occurrences in 28
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certain shrubs (e.g. winterfat) tha
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NAWS China Lake 1993). As discussed
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Cumulatively, one finds there to be
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Citing Bury and Luckenbach (1977),
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the MGS is restricted to about 7,00
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Habitat Management Plans (HMPs) wer
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Basic to the biology of bighorn she
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3.3.6 Birds3.3.6.1 Bendire’s Thra
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3.3.6.5 Golden EagleLife History: T
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The towhee recovery plan establishe
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Regulatory Status: Federal Endanger
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3.3.6.15 Western Yellow-billed Cuck
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Other major threats are flood contr
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Population Status in the Planning A
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on the inaccessible mountain slopes
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3.3.8.8 Kern BuckwheatLife History:
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Threats Affecting the Mojave Monkey
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3.3.8.16 Red Rock PoppyLife History
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populations show intergradation wit
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3.4.1.1 Regional EnvironmentIn tota
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Table 3-37Average Annual Units Cons
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2002 SOUTHERN CALIFORNIAEMPLOYMENT
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TABLE 3-382000 CENSUS DEMOGRAPHIC C
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to undergo a dramatic reversal to t
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3.4.1.5 Study Area Property Valuati
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The supply of private property in t
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ALLOTMENT NAME TYPE OF LIVESTOCK FO
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Grazing AllotmentsNOlanchaDarwinTun
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ALLOTMENT NAMEALLOTMENTACRESP. L. 1
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3.4.3 Mineral Potential and Develop
Page 219 and 220: Mineral Potential, Active and Inact
Page 221 and 222: Mineral Potential, Active and Inact
Page 223 and 224: development based on the results of
Page 225 and 226: MANAGEMENT AREATable 3-46Potential
Page 227 and 228: A third item, yttrium (on the USBM
Page 229 and 230: the California Department of Conser
Page 231 and 232: Table 3-49 shows the number of mini
Page 233 and 234: produces about 75,000 tons per year
Page 235 and 236: Table 3-50Most Important Deposits B
Page 237 and 238: 3.4.3.5 Coolgardie MesaThe Coolgard
Page 239 and 240: Areas designated as regionally sign
Page 241 and 242: Recreationists engage in activities
Page 243 and 244: OPENAREADoveSpringsElMirageJawboneC
Page 245 and 246: cycle engine motorcycles in OHV rid
Page 247 and 248: One popular activity is dual sport
Page 249 and 250: Compliance With Regulations: Compli
Page 251 and 252: REGIONORCITYRidgecrestSanBernardino
Page 253 and 254: REGIONORCITYVictorville /AppleValle
Page 255 and 256: Rail: The West Mojave planning area
Page 257 and 258: Arterials: Arterials are routes wit
Page 259 and 260: Ridgecrest-Inyokern Sanitary Landfi
Page 261 and 262: approximately 3 miles south of the
Page 263 and 264: Trona-Agrus Transfer Station (SWIS
Page 265 and 266: The BLM is an agency of the U.S. De
Page 267 and 268: Route designations apply only to ro
Page 269: Utility Maintenance: Many powerline
Page 273 and 274: SUBREGIONAmboyBighornCoyoteEastSier
Page 275 and 276: • All pipelines with diameters gr
Page 277 and 278: 3.6.2 Energy Generation PlantsEnerg
Page 279 and 280: 3.7 CULTURAL RESOURCES3.7.1 Archaeo
Page 281 and 282: seasonal movement from place to pla
Page 283 and 284: RIDGECREST FIELD OFFICEPROPERTY NAM
Page 285 and 286: ACECRose SpringFossil FallsLast Cha
Page 287 and 288: have been dated by radiocarbon and
Page 289 and 290: MYACENOZOICEPOCHTable 3-65Paleontol
Page 291 and 292: In the southern area, fossils of la
Page 293 and 294: At Twenty-Nine Palms, there is an u
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West Mojave Plan FEIR/S - Desert Managers Group

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