Deep mining on the Comstock.
Subtitle: A study into the causes that led to the abandonment of the lower levels in the 80's and to their reopening in the latter 90's by the Comstock Pumping Association. What has been accomplished and what may be by an energetic continuation of pumping and exploration.
By: Compiled from official and reliable sources by H. L. Slosson, Jr. ...
Publisher: F. H. Abbott, printer
Published: 1909
Place of publication: [San Francisco
Language: eng
Number of pages: 47
Subjects: Comstock Lode (Nev.)
Notes: Bound with other pamphlets on California mines and mining.