Plan showing probable course of main channel and surveys for tunnels (Spring Valley Mine, Cherokee Flat Blue Gravel, Keystone Mining Company)
Entry/Object ID
recMAPSANDSURVEYS.level4.000022940
Collection
Maps and Surveys
Category
otherlevel
Archive Details
Date(s) of Creation
1889
Archive Items Details
Description
Special Collections > B. L. McCoy and B. N. Paxton Collection > B.L. McCoy Collection > Plan showing probable course of main channel and surveys for tunnels (Spring Valley Mine, Cherokee Flat Blue Gravel, Keystone Mining Company)