lines.] DETAILED RECORDS. 79 
14. Well on Pueblo Lot 146, Point Lorna, Son Diego County, Cal. 
[Begun August 18, 1900; completed March 18, 1901. Authority, Katherine Tinglej , owner.] 
(Elevation of mouth of well, 255.88 feet above high tide.] 
Feet. 
Surface clay 0- 3 
"Hardpan" 3- 8 
Sandy clay 8- 30 
Water-bearing sand 30- 10 
|Sandy shale and dry sand _• 40- 60 
Sandy shale 60-100 
Sand 100-1 06 
Dark-blue shale 106-190 
Water-bearing sand 190- L92 
Dark-blue shale 192-200 
Water-bearing sand 200-202 
•Dark-blue shale ,. 202-260 
Whitish clay 260-261 
Coal 261-262 
' Ore" 262-265 
Water-bearing sand, good water 265-27 1 
1 )ark-blue shale 27 L-298 
Water-bearing sand 298-300 
Dark-blue shale 300-320 
White quartz. , , n ; ' • . , 320-321 
m > gold colors from panning- 001 . )00 
Blue granite . . j & * fe 1 321-323 
ht-blue shale 323-350 
Alternate shale and sand 350-360 
Jght-blue shale 360-370 
Water-bearing sand 370 372 
ight-blue shale 372-388 
>Vater-bearing gravel and sand 388-390 
?hale, gravel, and clay 390-401 ) 
Point Loraa is an isolated cretaceous summit, according to the State Mining 
bureau, and the above log shows the geologic column of its undisturbed strata. 
diameter of well, 6 inches, to 40 feet; 5 inches, 40 to 400 feet. Water level, 253 
eet below surface, or 2.88 feet above high tide. Estimated yield, 35,000 gallons daily 
f all water-bearing strata are used. 
22. Well at Lajunta, Otero County, Colo. 
[Samples furnished by La Junta Oil and Gas Company.] 
Feet. 
Hay 800-1 , 080 
andstone and limestone 1 , 230- 1 , 290 
5| Light-red sandstone and limestone 1, 300- 1 , 51 II I 
)ark-red sandstone — limy 1, 500- 1 , 535 
Vhite sandstone 1, 535-1, 600 
10-2 Led sandstone 1, 600-1, 612 
Led sandstone and gray limestone 1 , 612-1 , 660 
\ S-ed sandstone and limestone 1, 660-1, 703 
10-1 
A 
