upr000221 18

UNION PACIFIC RAILROAD COMPANY LAS VEGAS, NEVADA Water Well #8 Locations 290* South and 728* West of Ei Corner, Section 31, 2 0 - 6 1 , M.D.B.&M. Elevation: 2126* (Cement Matt) Spudded: March 17, 1942 Completed: March 29, 1942 Total Depth: 766 Casing Record 13-3/8* - 48# South Chester Tube Co*s lapweld, 8-V thread cemented at 510.57. Cemented with 388 sacks Victor Modified Cement, none treated. 10-3/4" - 45.5# - A.©.Smith, Security Engineering Co*s flush Joint lin e r , 283.81* long set with shoe at 760.50. Top at 476.69. A ll of lin e r perforated, 60 mesh, 2" slo ts, 6" centers, 18 rows. LOG From To Feet Cut Formation 0 24.55 24.55 24. 55 27 2.45 27 35 8 35 40 5 40 50 10 50 70 20 70 90 20 90 100 10 100 130 30 130 140 10 140 170 30 170 190 20 190 200 10 200 220 20 220 230 10 230 240 10 240 290 50 Surface Hard shell Sand and chalk Chalk White and pink limestone with few grains gravel Limestone, clay and gravel, 30# each Hard shells 45* to 55* Clay with l i t t l e limestone (no gravel) Limestone and coarse gravel with small amount of clay Limestone with few grains of gravel Limestone Clay and limestone, 70# clay Limestone with small amount clay. 90# limestone Clay and limestone, 50# each Buff colored clay with few pieces of limestone and grains of gravel. (Few hard sh ells from 206 to 216) Clay and limestone, 50# each. Few pebbles Buff colored clay, with few pieces of limestone Buff colored clay with small amount of gravel. Percent of clay Increases from 60# at top to 100# at bottom.