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Heinrichs Geoexploration Co. Maps: Cuprite Area Geology; 2 in. to 1 mile; 12 x 13 in.
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The 'Hecla Mining Co. Lakeshore Project' file is part of the Grover Heinrichs mining collection. Grover was the Vice President of Heinrichs GEOEXploration, located in Tucson, Arizona. The collection contains over 1,400 folders including economic geology reports, maps, photos, correspondence, drill logs and other related materials. The focus of much of the information is on the western United States, particularly Arizona, but the collection also includes files on mining activity throughout the United States, foreign countries, and 82 mineral commodities.
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The 'Yuma County General - Bonanza' file is part of the Grover Heinrichs mining collection. Grover was the Vice President of Heinrichs GEOEXploration, located in Tucson, Arizona. The collection contains over 1,400 folders including economic geology reports, maps, photos, correspondence, drill logs and other related materials. The focus of much of the information is on the western United States, particularly Arizona, but the collection also includes files on mining activity throughout the United States, foreign countries, and 82 mineral commodities.


map background search result map search result map Metal Occurrence Map of Oro Blanco & Pajarito Mining Districts Geologic Section of Charleston Claim Sacaton Mountains, Geochemical Map, Pb Geological Map of the Zonia Syndicate Property Gladstone McCabe, Lead-Zinc Soil Geochemistry, Turam E.M. and I.P. Anomolies Geology Map of the Day Project Arizona Geologic Cross Section Along Line A-B of Plate II Frijole Mine, Geologic Overlay Goldfield Mine, Section Showing North Shaft Ski Run Road, Soil and Rock Classification Cross Section A-A' in Plane of Possible Drill Holes from P.D. Drill Station, 1100 Level Safford, Alteration-Mineralization Hilltop Claim Group, Geologic and Topographic Map Sierrita Project, McGee Anglin, Geologic Map Savage Claim Group Geologic Map Geologic Map of Putnam Wash Area Mohave, Mining Evaluation Project Cuprite Area Geology Grover Heinrichs mining collection: Hecla Mining Co. Lakeshore Project Grover Heinrichs mining collection: Yuma County General - Bonanza Mohave, Mining Evaluation Project Cuprite Area Geology