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1973
National Aeronautics and Space Administration. Resources Basic Inventory Applications. National Park Service, 1973.
1974
National Aeronautics and Space Administration. Great Smoky Mountains National Park Visitors Road and Trail Usage Analysis. National Park Service, 1974.
National Aeronautics and Space Administration. Regional and Park Resources Basic Inventory Procurement and Display: Computer Software for Digitization and Plotting. Vol. IV. National Park Service, 1974.
National Aeronautics and Space Administration. Regional and Park Resources Basic Inventory Procurement and Display. National Park Service, 1974.
National Aeronautics and Space Administration. Regional and Park Resources Basic Inventory Procurement and Display: Detailed Description of Base Maps and Overlays. Vol. II. National Park Service , 1974.
National Aeronautics and Space Administration. Regional and Park Resources Basic Inventory Procurement and Display: Data Collection and Supplementary Thematic Information. Vol. III. National Park Service, 1974.