Black Dyke Project

A wooden shaft portal on the right, metal piping and wooden boxes at center. A silica dyke and other annotation is drawn in.

Resource ID: 
2002-01-0447-img-07
Resource Type: 
Document: Image
Theme Keywords: 
buildings
geology
image collections
mining
photographic prints
Uranium
Copper, Sulfide
Fluorine, Fluorspar
Place Keywords: 
United States
Arizona
Pima County
Palo Alto Ranch - 15 Min
T17S R10E Sec 23
Sierrita Mts. physiographic area
Papago metallic mineral dist.
Bobson Claim Group
Pima207
Time Keywords: 
1950s
Image: 
Bibliographic Citation: 
Please cite by using: [a description of the item]. 2002-01-0447-img-07, Walter E. Heinrichs, Jr. mining collection, Arizona Geological Survey.
Publication Date: 
2014-07-02
Contributor: 
Collection: 
Walter E. Heinrichs, Jr.
Contact Phone: 
602-771-1601