Figure 6.-Topography, areal geology, and location of exploration for dam and powerplant. From drawing No. 557-D-186.

Figure 7.-Logs of exploration on section H-H. From drawing No. 557-D-193.

3020

2980

ELEVATION

Figure 8.-Logs of exploration on section G-G. From drawing No. 557-D-193.

Figure 9.-Logs of exploration of section I-1. From drawing No. 557-D-194.

2980

ELEVATION

DH 56-110

El. 3838.8

SANDSTONE, thinly cross-bedded,

red-brown, soft, poorly cemented.
SANDSTONE, red-brown, with red IRON
Core can be broken with the fingers.

broken with the fingers.
bands and spots. Core can be
cemented. has red iron-stained
massive than above. Soft, poorly
stained spots. Cross-bedding is more
SANDSTONE, red-brown, massive,

Core can be broken with the fingers.
spots. Soft, poorly cemented porous.

no cross-bedding,red iron-stain

to break the core.
Takes a good firm hammer blow
hard, well cemented, fine grained.

bedded, bonded with red-iror stain,
hammer blow to break core.
LSANDSTONE, red-brown, massive,
harder near bottom. Takes light
moderately hard, material getting

Open joint wide at 26 feet.

9-22-36 SANDSTONE,red-brown, thinly cross

W-39; 8XD-64'

W-63, BX-88'

DH 56-25
EI.3147.2

Figure 10.-Logs of miscellaneous exploration holes. From drawing No. 557-D-194.