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The 'Arizona Strip Grand Gulch' 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.
Long-term watershed research and monitoring to understand ecosystem change in parks and equivalent reserves
Coastal watershed policy and management in California: Notes on the development of cooperative strategies
Beach replenishment and Navy Homeporting: Ecological implications of beach replenishment in California
Relative Lengths of Seashore Substrata Around the Coastline of Ireland as Determined by Digital Methods in a Geographical Information System
Locations and environments of U.S. Army training and testing lands: an ecoregional framework for assessment