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UNION PACIFIC RAILROAD COMPANY % LAS VEGAS, NEVADA Water Well #10 Location: 2306* South and 1140* West from Ei Corner, Section 31, 20-61 M.D.B.&M. Elevation: 2133 (Cement Matt) * J Spudded: 10:00 P.M., May 8, 1942 Completed: June 5, 1942 Total Depth: 1250' Casing Record 13-3/8* - 48# South Chester Tube Co’ s lapweld, 8-V thread casing cemented at 494.30*. Cemented with 473 sacks Victor Modified Cement, none treated. 10-3/4“ - 35.75# A .0 .Smith, 8 round thread, lin e r 376.84* long, (includ­ing setting mandrel) cemented with shoe at 820*. Top of lin e r at 443.16*. A ll of lin e r is blank pipe. Cemented with 160 sacks. 7* O.D. - 24# - A.0 .Smith, seamless, 8 round thread, perforated lin er set with shoe at 1157.46*. Top of lin e r (including setting mandrel), , , at 798.60. C.P. at 1094.08*. 0 & A , 2 to st'ir'C o-'O LOG From To Feet Cut 0 40 40 40 50 10 50 70 20 70 80 10 80 100 20 100 110 10 110 130 20 130 190 60 190 200 10 200 210 10 210 220 10 220 240 20 240 260 20 260 270 10 270 290 20 290 320 30 Formation Surface (sand, clay, gravel and limestone) Limestone with l i t t l e clay. 80$ limestone Limestone and clay. 50$ each Limestone and clay. Few grains of sand (Hard shell 77* to 80*). Clay and limestone. 90$ clay Clay Limestone Limestone with some clay. 80$ limestone (Hard sh ell 186 to 192) Clay, small amount limestone. 90$ clay (Hard shell 200 to 202) Limestone with few grains sand. 95$ limestone Clay, limestone and gravel. 60$ clay. 40$ limestone and gravel Clay, with small amount gravel. 90$ clay Limestone and coarse gravel. 65$ limestone Pebbles up to i* diam. Buff colored clay, with few pebbles up to 1/3" diam. 98$ d a y ^ Buff colored clay with l i t t l e limestone 80$ clay Coarse gravel. Pebbles up to 1* diam. Id