Laserfiche WebLink
Symbol <br />Qal <br />To <br />Kd <br />Kc <br />Kdp <br />TRd <br />Table 1 - Aquifer Descriptions <br />Avg. Sat. <br />Total <br />Name Thickness' <br />Thickness <br />Alluvium 0-60 <br />0100 ft. <br />Ogallala aquifer * < 50 <br />0-200 ft. <br />Dakota aquifer * < 125 80-150 ft. <br />Cheyenne aquifer * < 100 <br />Dakota -Cheyenne <br />Dockum aquifer <br />40-250 ft. <br />300** (est'd) 0-570(?) ft. <br />Description <br />Unconsolidated sands <br />and gravels. <br />Sand, gravel, silt, clay <br />and limestone. <br />Fine grained, thin to <br />massive sandstone with <br />clayey to sandy shales, <br />light to dark brown. <br />Fine grained, massive <br />light-colored sandstone. <br />Aquifer unit by virtue of <br />Completion in Dakota and <br />Cheyenne sandstones with <br />absence of intervening <br />Kiowa shale. <br />Red siltstone, shales, <br />limestones, and red to buff, <br />fine to coarse sandstone. <br />A review of the 2001 measurements as compared to the 2000 measurements reveals that <br />the following water level changes have occurred since the last measurement period (2000): <br />water level declines = 43 wells as compared with 47 between 1999 and 2000 <br />water level rises = 23 wells as compared with 26 in the 1999-2000 report <br />no measured change in water level = 2 wells as compared to 10 in 1999-2000 period <br />Hntnmetic average of monitored wells. ** estimated - thickness including Entrada ss. <br />*< = slightly less than <br />*> = slightly greater than <br />-3- <br />