Maricopa County, Gold Cliff Group

The 'Maricopa County, Gold Cliff Group' 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: 
2004-01-0019
Resource Type: 
Document: Text
Theme Keywords: 
maps and atlases
reports
topographic maps
Tungsten, Ferberite
Gold, Lode
Iron, Sulfide
Molybdenum, Sulfide
Copper, Sulfide
Place Keywords: 
United States
Arizona
Maricopa County
New River Mesa - 7.5 Min
Homestake Pat. Claim
Alexander Pat. Claim
Golden Reef Pat. Claim
Cave Creek Tungsten
Cottonwood Pat. Claim
Lemon, Messex
T6N R4E Sec 11 NE
Camp Creek physiographic area
Cave Creek metallic mineral dist.
Maricopa553
Time Keywords: 
1950s
Start Date: 
1953-01-01
End Date: 
1953-12-31
Coordinates: 
Publication Date: 
2015-09-02
Contributor: 
Collection: 
Kelsey Boltz
Bibliographic Citation: 
Please cite by using: [a description of the item]. 2004-01-0019, Kelsey Boltz mining collection, Arizona Geological Survey.
Contact Phone: 
602-771-1601
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