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The 'Pearce Project: Correspondence with Arizona State Land Department' 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 'Pearce Project: Summary of Assessment Work' 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 'Pearce Project: Township Butte and Sixmile Hill Maps for John Stephens, Part 3' 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 'Pearce Project: Reports from 1960s and 1970s' 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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This location is part of the Arizona Mineral Industry Location System (AzMILS), an inventory of mineral occurences, prospects and mine locations in Arizona. Cochise136 is located in T18S R25E Sec 4 NW in the Pearce - 7.5 Min quad. This collection consists of various reports, maps, records and related materials acquired by the Arizona Department of Mines and Mineral Resources regarding mining properties in Arizona. Information was obtained by various means, including the property owners, exploration companies, consultants, verbal interviews, field visits, newspapers and publications. Some sections may be redacted for copyright. Please see the access statement.
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The 'Pearce Project: Gravity Survey' 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 'Pearce Project: Spectrographic Analyses' 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 ADMMR mining collection file: Commonwealth Mine Commonwealth Project Geological Drill Hole Section N-S: Section 98+20E Commonwealth Mine Composite Longitudinal Section of Main Vein Enrichment Zones Commonwealth Project Geological Drill Hole Section N-S: Section 101+30E Commonwealth Mine Cross Sections Commonwealth Mine Fifth Level Plan Commonwealth Project Geological Plan Pearce Project Section D-D' Pearce Project Section B-B' Pearce Project Geologic Map and Section Pearce Project Section E-E', Part 2 Regional Geologic Map of the Pearce Area Grover Heinrichs mining collection: Pearce Project: Gravity Survey Grover Heinrichs mining collection: Pearce Project: Spectrographic Analyses Grover Heinrichs mining collection: Pearce Project: Summary of Assessment Work Grover Heinrichs mining collection: Pearce Project: Correspondence with Arizona State Land Department Grover Heinrichs mining collection: Pearce Project: Township Butte and Sixmile Hill Maps for John Stephens, Part 3 Grover Heinrichs mining collection: Pearce Project: Reports from 1960s and 1970s ADMMR Photo Archive file: Commonwealth Mine 21-32 ADMMR Photo Archive file: Commonwealth Mine 21-30 ADMMR mining collection file: Commonwealth Mine ADMMR Photo Archive file: Commonwealth Mine 21-32 ADMMR Photo Archive file: Commonwealth Mine 21-30