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W a te r W e ll #9 UNION PACIFIC RAILROAD COMPANY L a s Y e g a s , Nevada L o c a t io n : 1408’ South, and l l 8 5 f W est from l|- C o rn e r, S e c t io n 31, 20-61, M. D. B. & M. E levation: 2130.22’ (Cement Matt) Spudded: 10:00 A .M ., A p r il 1, 1942 Completed: A p r il 11, 1942 T otal Depth: 472* Casing Record 1 3 -3 /3 ” - 48# South C h e s te r Tube C o . ’ s la p w e ld , 8 -V th re a d c a s in g cemented a t 280.22. Cemented w ith 225 sa ck s V i c t o r M o d ifie d Cement, none t r e a t e d . 10 - 3/4” - 45. 5# A. 0. Smith (w ith Security Engineering Co.’ s flu sh threads) lin e r 2l6,,6 l’ long, including se ttin g mandrel, s e t'w ith shoe at 4 1 0 . Top o f lin e r at 1 9 3 . 3 9 . A l l o f lin e r p erfo rated , 60 mesh, 2"' s lo t s , 6" centers, 18 rows. LOU From To Feet Cut Formation 0 30 . 30 Lime and clay , 50% each. Few sand grains 30 50 20 Lime and clay , 80% lim e. 50 70 20 Lime. Few small pebbles. 93% lim e. 70 90 20 Clay, b u ff colored. 90 110 20 Clay and lim e, 70% clay , b u ff colored, with few pieces o f red clay. 110 120 10 Lime and e la y , 50% each 120 130 10 Clay and lim e. 80% elay . B u ff colored. 130 150 20 Clay and lim e. 50% each. 150 170 20 Clay and lim e. 80% clay. 170 180 10 Clay and lim e. 50% each. 100 200 20 Clay with l i t t l e lim e. 90% clay. 200 220 20 G ravel, clay and lim e. 30% each. 220 250 30 Gravel and c la y . 50% each. 250 275 25 Gravel and e la y . 70% to 80% g rav el. 275 280 5 Gravel with small amount clay . 95% g rav el. 280 315 35 G ravel. No clay o r lim e. Top o f clean g ra v e l at 280. 315 330 15 Coarse sand and grav el (no clay ) 330 340 10 Coarse g ra v e l, small amount cla y . 95% g rav el. 340 360 20 Fine to coarse g ra v e l. 50% each. Pebbles up to |fw diameter. No clay . 360 370 10 Red clay and g ra v e l. 50% each. Pebbles up to jsi" diameter. Hard s h e ll: 366 to 367.