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The Mongolian 20th-century Historical GIS Database project was designed to create datasets that could integrate and align well together. The collec...
2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, and 2026. Geological Survey (U.S.). These vector contour lines are derived from the 3D Elevation Program using automated and semi-automated processes. They were created to support 1:2... Geological Survey (U.S.).
2025 and 2026. Geological Survey (U.S.). The primary goal of the 3D Hydrography Program (3DHP) is to complete the first systematic remapping of the Nation’s hydrography since the original ... Geological Survey (U.S.).
2026. Geological Survey (U.S.). Boundaries data encompasses digital geographic representations of various administrative areas, including states, counties, cities, towns, federal ... Geological Survey (U.S.).
2023, 2024, 2025, and 2026. Geological Survey (U.S.). The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that m... Geological Survey (U.S.).
2026. Geological Survey (U.S.). USGS Structures data provides information on manmade facilities across the United States and its territories, including the point locations, functi... Geological Survey (U.S.).
2026. Geological Survey (U.S.). USGS Transportation data is a network of geospatially referenced features including roads, trails, airports, and railroads across the United States... Geological Survey (U.S.).
2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, and 2025. Geological Survey (U.S.). The High Resolution National Hydrography Dataset Plus (NHDPlus HR) is an integrated set of geospatial data layers, including the best available Nat... Geological Survey (U.S.).
2014. Geological Survey (U.S.). Small-scale datasets consist of 1:1,000,000-scale contours, hydrography, transportation, and boundaries data that were originally developed for the... Geological Survey (U.S.).
2023, 2024, 2025, and 2026. Geological Survey (U.S.). Layers of geospatial data include contours, boundaries, land cover, hydrography, roads, transportation, geographic names, structures, and other sel... Geological Survey (U.S.).