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Water Well #4 OH ION PACIFIC RAILROAD COMPANY LAS VEGAS* NEVADA Location: 850* North and 600* West of the East Quarter corner of Section 31, 20-61, M.D.B.AM. Elevation: 2131.03* (Top of Foundation Mat) Spudded: 3:00 P.M., April 25, 1940 Completed: May 4, 1940 Total Depth: 806* Casing Record 16" - 3/16" wall, 45,000# tensile, Western Pipe and Steel Co. casing, collar each end, hung 39* and cemented with 39 sacks below cellar floor or 46.6* below top of table 10-3/4* - 40.5# Lapweld, Grade if-40, Range 1, f & 0 casing with Baker Whirler Float shoe hung at 506.4* and cemented with 290 sacks Victor Modified cement. An additional 150 sacks were squeezed be­tween the 16* and 10-3/4* casing from the surface. 7* - 22.0# liner Grade J-55, Range 3, T A G easing, 315* long, landed at 801*, lower 300* perforated; top of liner at 486*; welded bull plug on bottom; perforated 80 mesh, 2" slot, 6* centers, 14 rows. LOG 0-14 14 - 34 34 - 250 250 - 430 430 - 460 460 - 468 465 - 468 468 - 431 481 - 540 540 - 806 Hard Lime shell Clay and gravel Clay, lime, occasional streaks sand Gravel Gravel, streaks lime and clay Lime shell Gravel and lime Gravel and clay Red clay Gravel