108 PROGRESS REPORT, HYDROGRAPHY, 1893 AND 1894. [bull. 131. 
No. 4. — Drilled well (164 l ) ; depth of water does not vary; can not be easily low- 
ered ; quality of water, rather hard ; water raised by wind pump with 12-foot Monitor 
wheel ; is used for domestic supply and for 25 head of stock. Strata passed through : 
Soil, 2 feet; yellow clay, 30 feet; rock, clay, and gravel; sand with the water. This 
well is 3 miles east of No. 5, but not so near the canyon. A well 1 mile north, near 
the top of the Arickaree canyons, is 240 feet deep. 
No. 5. — Drilled well (163) ; depth of water does not vary; 150 barrels in 12 hours; 
can not be easily lowered ; quality of water, medium soft ; water raised by wind pump 
with 8-foot wheel; is used for domestic supply, for 20 head of stock, and for irri- 
gating one-eighth of an acre. Strata passed through: Soil, 4 feet; yellow fine dirt, 
96 feet; native lime, 4 feet; sand rock; water in rock. 
No. 6. — Dug well; depth of water does not vary; can not be easily lowered; 
quality of water, rather hard. Another well near is very alkaline. Water raised 
by hand pump; is used for domestic supply and for some stock. Strata passed 
through : Alluvia to gravel. It is on the second bottom of the South Fork Repub- 
lican Valley. The alkaline water indicates the proximity of shales, which crop out 
in the sides of the valley in places. 
No. 7. — Drilled well (158); depth of water does not vary; can not be easily low- 
ered ; quality of water, not very soft ; is raised by wind pump with 10-foot wheel ; is 
used for domestic supply and for 15 head of stock. Strata passed through: Soil; 
rock ; water in sand. 
No. 8. — Drilled well (157) ; depth of water does not vary ; not certain as to whether 
it lowers or not, but it is never exhausted; quality of water, soft; water raised by 
wind pump with 12-foot wheel ; is used for domestic supply. Strata passed through : 
Soil, 2 feet; yellow marl, 35 feet; magnesia, 20 feet; rock (magnesia ledges), 14 
feet ; sand and rock streaks, 30 feet ; hard, reddish clay, with bones ; sand ; sand and 
clay, and a little gravel with water. 
No. 9. — Drilled well (156a); depth of water does not vary; 14 barrels per hour; 
can not be easily lowered; quality of water, rather hard; water raised by wind 
pump with 8-foot wheel; is used for domestic supply and for 30 head of stock. 
Strata passed through : Soil ; sand ; rock with water. 
No. m— Drilled well. 
No. 11. — Drilled well; depth of water does not vary; can be pumped continuously 
day and night; can not be lowered; quality of water, soft; water raised by wind 
pump with 8-foot geared wheel and 2-inch cylinder; is used for domestic supply and 
for 50 head of stock. Strata passed through : Soil, 2 feet; creamy soil, 90 feet ; sand; 
stone; gravel with water. Wells not far east are 230 feet deep, on slightly higher 
land. A well 1 mile west is of the same depth as this, and has watered 160 head of 
cattle in dry seasons. 
No. 12. — Dug well; depth of water does not vary; 200 gallons in twenty minutes 
can be obtained from the well, this lowering it temporarily, at which time quicksand 
comes in; quality of water, hard and alkaline; water raised by chain and suction 
pumps ; is used for 1,500 head of sheep. Strata passed through : Soil; sandy yellow 
loam ; quicksand with water. 
No. 13. — Drilled well; depth of water does not vary; can not be easily lowered; 
quality of water, hard; is used for domestic supply. Strata passed through: As 
usual on this plateau south of Wray. 
No. 14. — Bored well; depth of water does not vary; can not be lowered by pump- 
ing all day; quality of water, not very hard; water raised by wind pump; is used 
for domestic supply and for 20 head of stock. Strata passed through : Soil, 3 feet ; 
yellow dirt, 67 feet ; rock, gravel ; fine gravel with the water. 
No. 15. — Dug well; depth of water does not vary; can not be easily lowered; 
quality of water, soft ; water raised by steam pump ; is used for the supply of the 
J Tlie figures in parenthesis are the numhers given to the wells on PI. XLII, Sixteenth Annual 
Heport U. S. Geological Survey. 
