Helvetia Area, Aeromagnetic Contour Map

Helvetia Area, Aeromagnetic Contour Map; 2 in. to 1 mile; 35 x 41 in.

 

Resource ID: 
702-10-052-0713
Resource Type: 
Document: Image: Map
Theme Keywords: 
aeromagnetic surveying
electromagnetic surveying
geophysics
maps and atlases
mineral resources
natural resource exploration
topography
Copper, Sulfide
Copper, Oxide
Silver
Gold, Lode
Place Keywords: 
United States
Arizona
Pima County
Empire Mountains - 15 Min
T18S R16E Sec 19 NE
Santa Rita Mts. physiographic area
Pima449
Time Keywords: 
1950s
Start Date: 
1952-01-01
End Date: 
1952-12-31
Coordinates: 
Publication Date: 
2015-08-17
Contributor: 
Collection: 
Walter E. Heinrichs, Jr.
Bibliographic Citation: 
Please cite by using: [a description of the item]. 702-10-052-0713, Walter E. Heinrichs, Jr. mining collection, Arizona Geological Survey.
Contact Phone: 
602-771-1601
randomness-minedata