Coldwater West Quad

All Screens Casings

	Depth	Description
	-3.0-7.0 ft	steel casing
	7.0-305.0 ft	plastic (pvc) casing
	305.0-385.0 ft	plastic (pvc) screen

Depth	Lithology	Description
0.0-20.0 ft	-	hard surface caliche
20.0-40.0 ft	-	caliche, sand & gravel strips
40.0-60.0 ft	-	sand & sandy clay w/ small gravel
60.0-80.0 ft	-	sandy clay & clay w/sand strips
80.0-100.0 ft	-	sandy clay & clay
100.0-120.0 ft	-	clay & sandy clay, hard sandstone
120.0-140.0 ft	-	hard sandstone w/ multicolored clay
140.0-160.0 ft	-	blue clay &hard shale
160.0-180.0 ft	-	blue to green shale & clay w/ yellow sandstone strip
180.0-200.0 ft	-	blue & green shale & clay
200.0-260.0 ft	-	dark brown & gray shale & clay
260.0-280.0 ft	-	dark brown shale & clay w/ white sandstone strip
280.0-300.0 ft	-	dark brown shale & clay, gray shale & clay
300.0-320.0 ft	-	gray shale, sadstone& fine sand, brown & gray shale
320.0-340.0 ft	-	gray shale w/ some brown, fine to med sand
340.0-360.0 ft	-	fine to med gray sand w/ blue shale strip
360.0-380.0 ft	-	gray shale strip, red shale & clay
380.0-400.0 ft	-	red & gray shale & clay
400.0-440.0 ft	-	red shale & clay w/ gray shale strips
440.0-460.0 ft	-	yellow shale strip, red to dark gray clay & shale
460.0-500.0 ft	-	dark red & gray shale & clay (hard)
500.0-520.0 ft	-	gray to blue shale & clay w/ red clay strips
520.0-560.0 ft	-	dark red & gray shale & clay
560.0-580.0 ft	-	red & gray clay & shale
580.0-600.0 ft	-	red & gray clay & shale w/ small sandstone strip (Hard)