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The 'Little Dragoon Mountains, Johnson Camp' 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 'Johnson Camp' 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 Johnson Camp Area, I.P., Line 4, Spread 1 Johnson Camp Area, I.P., Line 3, Spread 1 Johnson Camp Area, I.P., Line 1, Spreads 1 and 2 Johnson Camp Area, I.P., Line 2, Spread 1 Johnson Dragoon Area, Map Showing Drill Holes and Geologic Section J-D Project, Sec. 6 Area, Vertical Intensity Magnetic Map Johnson Camp Area, I.P. Location and Interpretation Plan Grover Heinrichs mining collection: Little Dragoon Mountains, Johnson Camp Grover Heinrichs mining collection: Johnson Camp