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II <br />' Endangered and/or sensitive plant species potentially inhabiting Third Park include: <br />t <br />TABLE 5-2 <br />' POTENTIAL ENDANGERED AND SENSITIVE PLANT SPECIES <br />I' SCIENTIFIC NAME <br />Echinocereus <br />triglochidiatus <br />Lupinus crassus <br />Phlox caryophyla <br />Astragalus humillimus <br />COMMON NAME <br />Spineless hedgehog cactus <br />None <br />Phlox <br />Mancos Milk-Vetch <br />HABITAT <br />Rocky soils in open pinyon- <br />juniper stands, flat aspects <br />mesa tops <br />Loose shale soils <br />Sagebrush slopes and flats, <br />often on Mancos Shale <br />Broken sandstone outcrops of <br />Mesa Verde & Picture Cliffs <br />Astragalus linifolius <br />Atriplex pleiantha <br />Penstemon parviflorus <br />Grand Junction Milk-Vetch <br />Mancos Saltbush <br />None <br />Formations <br />Dry, clayey slopes & gullies in <br />pinyon-juniper wood lands <br />Barren gray clay mesa slope <br />Pinyon-juniper-sagebrush- <br />mountain shrub communities <br />They are known to occur in the larger resource area, but may not exist in Third Park (Bureau of <br />Land Management 1984). <br />5.1.3 Climate <br />Climate of San Juan/ San Miguel Resource Area was described well within the San Juan/ San <br />Miguel EIS and RMP. Third Park climate is assumed to be similar to that of the larger resource <br />area. BLM states that the climate can be characterized by "dry air, sunny, clear nights, low to <br />moderate precipitation, high evaporation rates, and extreme temperature differences throughout <br />the day" (BLM 1984). <br />BLM explains that temperature at the lower elevations of the resource area typically ranges from <br />50 to 93°F in the summer and from -14 to 43°F in the winter <br />' Precipitation amounts are dominated by summer thunderstorms which contribute to the total <br />sum of precipitation at 12 to 39 inches per year. Snowfall generally is between 20 to 30 inches <br />per year, which also contributes to a portion of the total annual precipitation. <br />1 <br />' Third Park Exploration License Application 10 <br />