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A map service on the www depicting ecological section boundaries within the conterminous United States. The map service contains regional geographic delineations for analysis of ecological relationships across ecological units. http://fsgeodata.fs.fed.us/clearinghouse/other_resources/ecosubregions.html. Baseline map of the ecological boundaries. Ecological analysis of resource distribution patterns and associations among different ecological land units.
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The 'San Juan Project Exploration Summary for Chevron Oil Co.' 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 US Forest Service Ecological Sections Chediski Iron Deposit - Vertical Section Along Line of Trench 41 Prince George Plan and Section Gold Basin Project Plan and Section O'Brien Proposed Development Cross Section Cactus Queen, Plan and Section Fourth of July Mine, Strategic Minerals Investigations Preliminary Map United Verde Extension 902 Drill Section 270 Degrees Yarnell Drill Hole Section YN SX1600N Yarnell Drill Hole Section YN LSX0500E 79 Mine Section 600 Level Van Dyke Mine Block 2 Cross Section Gladstone McCabe, Longitudinal Projection Red Vein United Verde Extension 902 Drill Section 167 Degrees Korn Kob Project, SE Long Section, 700NE Korn Kob Project, NE Long Section, 0NW Korn Kob Project, SE Long Section, 500NE Korn Kob Project, SE Long Section, 100NE Korn Kob Project, SE Long Section, 200NE Grover Heinrichs mining collection: San Juan Project Exploration Summary for Chevron Oil Co. US Forest Service Ecological Sections