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the site has been disturbed by both current and historic activities. The existing area land use for land adjoining the subject property is principally cattle grazing rangeland. To the north, adjoining Shelton Road and extending northerly to the Calaveras River, parcels are under Williamson Land Act Contract. To the west, parcels are Residential, or Williamson Land Act Contract. A sanitary landfill lies 1/2 mile to the south. The San Joaquin/Stan islaus County line lies 1/4 mile to the east. It is the intent of the developer that the site be reclaimed as cattle grazing rangeland. Overburden consists of the Redding Soil Series, and decomposed and residual soils of the Mehrten and Laguna Formations. Topsoil and overburden depths range from 6 inches to 4 feet. These materials have a low potential for erosion. Habitats on the project site include annual grassland, freshwater emergent marsh, open water, and valley foothill riparian scrub. An intermittent stream channel supports the narrow riparian woodland. Ground water elevation at the site is approximately 75 feet (mean sea level datum) . This is approximately 220 feet below the ground surface. The southern half of the property is drained by several seasonal swales which direct surface runoff into a drainage and associated stock ponds located in the middle of the site. The northern half of the property is drained by intermittent drainages which are tributary to the Calaveras River. Natural surface drainage channels slope westerly and northerly, into Mormon Slough and to the Calaveras River 1 mile to the north. The low-lying natural drainage channel which flows westerly through the central portion of the project site supports two stock ponds behind earthen retaining berms and a natural wetland habitat. Six manmade ponds in the northerly portion of the project site serve as water storage, and to recycle process water. Annual rainfall for the area is 11 inches Per year. Pan evaporation measured by the State of California at Manteca indicate mean evaporation to be 69. 3 inches from a Class A Evaporation Pan (from "Evaporation from Water Surfaces in California" California Department of Water Resources Bulletin 73-79 November, 1979) . Using a 0.79 pan correction factor on the pan measurement annual evaporation is calculated to be 54 . 7 inches per year (4 . 56 ft/yr) . No prehistoric sites have been observed, or are suspected to occur on the existing or proposed project sites. Portions of the ground surface of the northerly half of the lease holding were at one time covered with gravel and cobble dredge 4 CONDOR