Grover Heinrichs mining collection: Old Hat District Control Mine

The 'Old Hat District Control Mine' 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.

Categories: Data; Tags: 1970s, Arizona, Bellota Ranch - 15 Min, Control, Control Copper Property, All tags... Copper Princess, Copper, Sulfide, Daily, Dataset, Geesman, Gold, Hartman - Homestake, Iron, Magnetite, Leatherwood, Marble Peak, Marble Peak metallic mineral dist., Pima County, Pima881, Santa Catalina Mts. physiographic area, Silver, South Atlantic Ventures, Southern Copper Company, T11S R16E Sec 16 W2, United States, chemical analysis, drilling and coring, geoscientificInformation, maps and atlases, natural resource assessment, natural resources, reports, topographic maps, Fewer tags