West Mojave Plan FEIR/S - Desert Managers Group

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SUBREGIONMiddleKnobMorongoNewberry-RodmanNorthSearlesOrdPintoRedMountainRidgecrestSleepingBeautySouthSearlesSuperiorPRINCIPALRECREATIONACTIVITIESOHV touring/sightseeing,camping, hiking,huntingWildlife viewingeducation, hikingEquestrian, OHVtouring, sightseeing,dual sport, rockhounding, miningOHV use/dual sport,rock hounding,equestrian rides.Recreationalmining, OHVtouring/ sightseeingRock hounding,OHV touring/sightseeing, miningOHV touring/sightseeing,shooting hunting,OHV/ dual sport,hiking, equestrianriding, mining.Hiking, equestrianOHV/dual sportRock hounding,recreational mining.Rock hounding,shooting, OHVtouring/sightseeing,mining.OHV/dual sport,rock hounding,camping, mining.ROUTE MILEAGEDESIGNATEDOPEN: 1985-872001 ROUTEINVENTORYCOMMENTSN/A 91 Cultural resources are significant in the sub region.Contains biological values of special concern,including habitat for desert tortoises.18 N/A The Big Morongo Canyon Preserve, a wildlife refuge,is located - in part - within the sub region142 210 Sub region contains the Newberry MountainsWilderness, the Rodman Mountains Wilderness andthe adjoining Rodman Mountains ACEC. Rock artand cultural sites are within the sub region.99 N/A Shooting/hunting occur in the Argus RangeWilderness that borders the northwestern portion ofthe subregion. The Great Falls Basin/Argus RangeACEC lies within the sub region.38 549 The historic Ord Mountain Road and the DaggettWash Road are accessible by four-wheel drivevehicles and motorcycles (OHV/dual sport). TheStoddard Valley OHV Recreation Area to the westand the Johnson Valley OHV area to the southeast ofthe sub region provide for OHV/dual sport activities.The sub region is bordered by the Joshua TreeNational Park to the east, west, and the south.234 733 The Grass Valley Wilderness is partly contained in thesub region and the Golden Valley Wilderness bordersthe sub region to the north. These bajadas areas in thecentral west sector west of Cuddeback Lake, areknown for historically high populations of deserttortoise and extremely high historical mining activity.106 328 The Rademacher Hills trails open to the hiking,jogging, horseback riding and mountain biking.58 N/A Historic Route 66 borders the sub region to the south.36 N/A Sub region contains the Trona Pinnacles NationalNatural Landmark ACEC. Historical and culturalresources are located in the sub region.396 668 Contains the Rainbow Basin National NaturalLandmark ACEC. The Black Mountain Wildernesslies to the west of the sub region and the CalicoMountains lie to the south east of the sub region.3.6 ENERGY PRODUCTION AND TRANSMISSION3.6.1 Powerlines, Pipelines and Fiberoptic CablesCDCA Plan Utility Corridor Network: The CDCA Plan, as amended, established anetwork of sixteen utility planning corridors across the Mojave and Colorado Deserts. All newlinear utilities exceeding the following thresholds must be located within a utility corridor:• New electrical transmission towers and cables of 161 kV (kilovolts) or above;Chapter 3 3-274
• All pipelines with diameters greater than 12 inches;• Coaxial cables for interstate communications; and,• Major aqueducts or canals for interbasin transfers of water.Seven of these corridors cross the planning area: Corridors A, B, BB, C, D, G, and H.Each corridor is between two and five miles wide. The intent of the corridors is to provide adelivery system network that meets public needs in a manner that minimizes the proliferation ofwidely separated rights of way by encouraging the joint use of corridors for utilities. By locatinga project within a corridor a project proponent does not receive immediate approval to constructa project: a federal right of way grant must still be obtained and a NEPA document prepared.Occasionally the unique needs of a project may require that it be located outside of acorridor. To accommodate these situations, several “contingent” corridors were identified by theCDCA plan that could be activated through a CDCA plan amendment. A project could belocated outside of either an activated or contingent corridor, but only through a CDCA planamendment that examined whether the need for a one-time exemption from the corridor networkwarranted construction in a non-corridor location. This has happened only once since the CDCAplan was adopted, for the All American Pipeline in 1983, in a region outside of the westernMojave Desert.Utility Biological Opinions: Table 3-59 presents the abbreviated terms and conditionsfound in 10 biological opinions addressing utility projects. Table 3-60 presents the takeauthorized by those opinions (mortality, harassment, and acreage where provided). Theseinclude includes 5 pipelines (2 crude oil, 1 gasoline, 1 natural gas), 3 transmission lines, and 2fiber optic cables. They include only those biological opinions that had a mortality and/orharassment take limit specified for maintenance activities. Appendix Q presents a more detailedsummary of the terms and conditions found in the biological opinions.Although maintenance was the primary focus of the tables, the terms and conditions ofthe biological opinions also apply to other activities, including construction and installation,operations, routine inspections, repair, and responses to emergency situations.Chapter 3 3-275
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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
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Mineral Potential, Active and Inact
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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 and 270: Utility Maintenance: Many powerline
Page 271 and 272: ACECNAME ANDNUMBERHarper Dry Lake(3
Page 273: SUBREGIONAmboyBighornCoyoteEastSier
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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