66. West J Rice Station m and clay layers, at least 40 ft Great thickening Black shale above 4 ft thin clay dark brown black shale 2'2" clay [illegible] 24" inches solid clay, l. [illegible] 18" shale smelly of sulphur very grey. 16 in solid l. wet chert firm - flocculent. 20 ft Coniferous with chert 20-22 ft [illegible] Gypsum hard as that it is difficult to drill line. This Coniferous section is thickened perfectly from 7 or 10 feet only to ground chert) 65, 1/2 off way between R R station R R bridge at Davis; 4" Black shale by 6 ft? [illegible] layers clay rock in bar 6'ft 6in, Cherty Dark, next met a canyon at top. 8 in dark sand with Ambrosella + [illegible] layer at base) with 3 in layer dark sandy fish 3 ft 3 in Massive very firm l. [illegible] 67. E W of tunnel 1. Black shale with alum salts at base, 10ft clay layers in Black shale layers 19ft Black shale, clay layers above The preceding sect is [illegible] it should supercede was no estimate in this sec- Black Shale. Since then 18 1/2 ft's fromiferous layer base in sedims. 4 ft hard rock associated with other 16 ft strongly Cherty Dark, 2" Blue clay with 1" firm grayish blue chert [illegible] clay