100 PROGRESS REPORT, HYDROGRAPHY, 1893 AND 1894. [bull.131. 
very hard; water raised by wind pump with 14-foot wheel ; is used for domestic 
supply and for a little irrigation. Strata passed through : Soil, 3 feet ; magnesia ; 
rock; gravel. 
No. 35. — Dug well; depth of water does not vary ; can not be lowered by the pump 
running all day ; quality of water, soft ; water raised by wind pump with 12-foot 
wheel and 4-inch cylinder; is used for domestic supply and for 600 head of cattle. 
Strata passed through: Magnesia and gravel. 
No. 36. — Dug well; depth of water does not vary ; pumping 500 gallons per minute 
can not lower it; quality of water, soft; water raised by wind pump with 26-foo^ 
wheel; is used for railway purposes. Strata passed through: River alluvia. The 
water is partly supplied by the overflow seepage from the "Big Spring/' which is 
about 30 rods north and 20 feet higher. 
No. 37. — Dug four feet, driven well below; depth of water does not vary; can uot 
be easily lowered; quality of water, hard; water raised by wind pump, geared with 
12-foot wheel; is used for domestic supply, for 150 head of stock, and for irrigating 
half an acre. Strata passed through: River alluvia. The June freshet — the so- 
called "Coxey flood" — wet by percolation all the hay land between this well and 
the river, which is to the north of it about 100 rods. 
No. 38. — Driven well; depth of water does not vary; can not be easily lowered; 
quality of water, rather hard and alkaline; water raised by hand pump; is used for 
domestic supply and for 25 head of stock. Strata: River alluvia; clay at bottom. 
This is the South Platte bottom, on the south side of the river. 
No. 39. — Drilled well; water rose 9 feet above where it was first struck; depth of 
water does not vary ; can not be easily lowered ; quality of water, soft ; water raised 
by wind pump with 12-foot wheel ; is used for domestic supply and for 30 head of 
stock. Strata : Soil, 2 or 3 feet ; magnesia ; sand and gravel. 
No. 40. — Drilled well ; depth of water does not vary ; can not be easily lowered ; 
water raised by wind pump with 12-foot wheel; is used for domestic supply and fo r 
10 to 15 head of stock. Strata passed through: Soil, 3 feet; yellow clay, 10 feet; 
gravel to bottom This is well No. 3 of Mr. Follett's Big Spring line. (Fifty-first 
Congress, first session, Senate Ex. Doc. 41, Appendix V.) 
No. 41. — Drilled well; depth of water does not vary; can not be easily lowered; 
quality of water, rather hard; water raised by wind pump with 12-foot wheel; is 
used for domestic supply and for 200 head of stock. Strata : As usual on the plateau. 
No. 42. — Drilled well; water was reached at bottom of well, but rose to 127 feet; 
depth of water does not vary; half tank (10 feet by 20 feet) in half a day; can be 
lowered with one-half day's pumping, but is restored in a few hours; water raised 
by wind pump with 12-foot wheel; is used for domestic supply and for stock. 
Strata passed through : One foot of soil, limestone, and some clay; water in gravel. 
No. 43. — Drilled well; depth of water does not vary; sometimes there is 13 feet 
of water, but the depth never falls below 9 feet; 975 gallons in 2 hours' pumping; 
water raised by wind pump with 12-foot wheel ; is used for domestic supply, for 50 
head of stock, and for irrigating one-quarter of an acre. Tank, 30 feet in diameter. 
Strata passed through : Soil, 8 feet ; magnesia, 2 or 3 feet ; sand and gravel, 10 feet ; 
cement gravel, about 20 feet ; yellow clay, 11 feet ; sand and gravel to water, and a 
lime rock in the water. 
No. 44. — Drilled well; water rose a little when first struck; depth of water does 
not vary; can not be easily lowered; quality of water, hard; water raised by wind 
pump; is used for domestic supply and for over 50 'head of stock. Strata passed 
through: Soil, 2 or 3 feet; magnesia, 4 or 5 feet; gravel all the way to water, with 
red sand. 
No. 45. — Driven well; depth of water does not vary; can not be easily lowered; 
quality of water, hard ; water raised by wind pump ; is used for a hotel and for 
domestic supply. Strata passed through: Gravel, black soil, 2 feet; magnesia and 
gravel. 
