Yuma County, R. Hanna, Triangular Mining Co., Harcuvar Prospect, Ellsworth Mining District

The 'Yuma County, R. Hanna, Triangular Mining Co., Harcuvar Prospect, Ellsworth Mining District' file is part of the Kelsey Boltz Mining Collection. Kelsey Boltz has been a registered mining engineer and geologist in Arizona since the mid 1960s. A 1953 graduate of the Colorado School of Mines, he founded Colamer Corporation and Nuclear Dynamics, both companies active in the uranium industry in the Grants Uranium Region of New Mexico in the 50s, 60s and 70s. In 1981 he co-founded Century Capital, Inc., an investment banking and retail brokerage firm which provided several hundred million dollars financing for various industries including natural resource companies. In 1990 he started his exploration consulting company, Boltz Group International, which initiated and managed several mining projects in Mexico, Chile and Bolivia. The collection consists of geologic reports, maps, assays and surveys. The collection covers properties across the western U.S. and Mexico.

 

Resource ID: 
2004-01-0082
Resource Type: 
Document: Text
Theme Keywords: 
chemical analysis
geology
reports
Copper, Sulfide
Gold, Lode
Silver
Place Keywords: 
United States
Arizona
Yuma County
Salome - 15 Min
Triumph
Mystic
Ada
Treasure Trove
Mountain Queen
Arrova
T7N R13W Sec 16 E2
Harcuva Mts. physiographic area
LaPaz164
Time Keywords: 
1970s
Start Date: 
1974-01-01
End Date: 
1974-12-31
Coordinates: 
Publication Date: 
2015-09-02
Contributor: 
Arizona Testing Laboratories
Kime, Grant W.
McLean, Claude E., Jr.
Collection: 
Kelsey Boltz
Bibliographic Citation: 
Please cite by using: [a description of the item]. 2004-01-0082, Kelsey Boltz mining collection, Arizona Geological Survey.
Contact Phone: 
602-771-1601
randomness-minedata