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The 'Banner Mining District, San Bernardo Jr.' 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 Christmas Mine Location Map 79 Mine Section 600 Level Map of Claims from Monitor Group down to Ray Mine, T3S and T2S, R14E Columbia-Silver Bell, Map of Martinez Workings Columbia-Silver Bell, Sample-Assay Map (3195) Sub LV. Christmas Copper Mine Section C-C' Rattler Mine, Plan of Proposed Copper Leaching Plant 79 Mine, 400 Level Columbia-Silver Bell, Geologic Section 27+50 Christmas Mine 790 Sub-level Christmas Copper Corporation Geologic Plan 770 Level Columbia-Silver Bell, Geologic Section 29+00 Christmas Fault Plan - 300 Level Riviera Mine Company 790 Progress Map Christmas Mine Area, Topo Survey 5 Christmas Area, Topographic Survey Sheet 3 I.P. Work Map Christmas Area, Aeromagnetic Map Showing Total Magnetic Intensity - Notes Page 1 Christmas Mine Area, Topo Survey 6 Christmas Mine Area, Total Intensity Mobile Magnetic Traverse 4 Grover Heinrichs mining collection: Banner Mining District, San Bernardo Jr.