No Image Available
Drilling for Placer Gold
 Author: Walter H. Gardner  Category: Online Document  Publisher: Keystone Driller Company  Pages: 204 Tags:Beaver Falls | industrial catalog | Keystone Driller Company | mining | Download
 Description:

c. 1920 book published by Keystone Driller Company of Beaver Falls, Pennsylvania. Subjects: Gold mines and miningProspectingHydraulic mining

 

Return to LBHS History Library Online

 Back