Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
Johnson Mine.
Helge way N. 73° E. from entry
260' to entry
N 25W
64°E
N 7°E
51°W
local leases gouge
Minor faults roughly || entry floor
are & peculiar feature
bedding plane
fault or sharp fold.
floor
The fault is between Graneros &
Greeneros. Throw can't be determined.
At mine entry is 1.0 ± bentonite
with foss. limy shale above. Two
trays look like lobietus but not
positive Either high in Graneros or
local Greenhorn equivalent at entry,
20