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GEOCHECK®- PHYSICAL SETTING SOURCE MAP FINDINGS <br /> Agency cd: USGS Site no: 374436121245801 <br /> Site name: 002S005E21J001M <br /> Latitude: 374436 <br /> Longitude: 1212458 Dec lat: 37.74326236 <br /> Dec Ion: -121.41716703 Coor meth: M <br /> Coor accr: S Latlong datum: NAD27 <br /> Dec latlong datum: NAD83 District: 06 <br /> State: 06 County: 077 <br /> Country: US Land net: Not Reported <br /> Location map: TRACY Map scale: 24000 <br /> Altitude: 43.00 <br /> Altitude method: Interpolated from topographic map <br /> Altitude accuracy: 5. <br /> Altitude datum: National Geodetic Vertical Datum of 1929 <br /> Hydrologic: San Joaquin Delta.California.Area=938 sq.mi. <br /> Topographic: Valley flat <br /> Site type: Ground-water other than Spring Date construction: 19490918 <br /> Date inventoried: Not Reported Mean greenwich time offset: PST <br /> Local standard time flag: Y <br /> Type of ground water site: Single well,other than collector or Ranney type <br /> Aquifer Type: Not Reported <br /> Aquifer: ALLUVIUM ABOVE AND BELOW E-CLAY(MIOCENE-PLEISTOCENE) <br /> Well depth: 850 Hole depth: 880 <br /> Source of depth data: Not Reported <br /> Project number: Not Reported <br /> Real time data flag: 0 Daily flow data begin date: 0000-00-00 <br /> Daily flow data end date: 0000-00-00 Daily flow data count: 0 <br /> Peak flow data begin date: 0000-00-00 Peak flow data end date: 0000-00-00 <br /> Peak flow data count: 0 Water quality data begin date: 1953-06-28 <br /> Water quality data end date:1967-04-05 Water quality data count: 6 <br /> Ground water data begin date: 1967-05-01 Ground water data end date: 1967-05-01 <br /> Ground water data count: 1 <br /> Ground-water levels,Number of Measurements: 1 <br /> Feet below Feet to <br /> Date Surface Sealevel <br /> ------------------------------------------------- <br /> 1967-05-01 66.00 <br /> 5 <br /> North FED USGS USGS3222668 <br /> 1/4-1/2 Mile <br /> Lower <br /> Agency cd: USGS Site no: 374513121245401 <br /> Site name: 002S005E22D001 M <br /> Latitude: 374513 <br /> Longitude: 1212454 Dec lat: 37.75353995 <br /> Dec Ion: -121.41605609 Coor meth: M <br /> Coor accr: S Latlong datum: NAD27 <br /> Dec latlong datum: NAD83 District: 06 <br /> State: 06 County: 077 <br /> Country: US Land net: Not Reported <br /> Location map: UNION ISLAND Map scale: 24000 <br /> Altitude: 30.00 <br /> Altitude method: Interpolated from topographic map <br /> Altitude accuracy: 2.5 <br /> Altitude datum: National Geodetic Vertical Datum of 1929 <br /> Hydrologic: San Joaquin Delta.California.Area=938 sq.mi. <br /> Topographic: Valley flat <br /> Site type: Ground-water other than Spring Date construction: 19720101 <br /> Date inventoried: Not Reported Mean greenwich time offset: PST <br /> TC1913090.8s Page A-12 <br />