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These vector contour lines are derived from the 3D Elevation Program using automated and semi-automated processes. They were created to support 1:24,000-scale CONUS and Hawaii, 1:25,000-scale Alaska, and 1:20,000-scale Puerto Rico / US Virgin Island topographic map products, but are also published in this GIS vector format. Contour intervals are assigned by 7.5-minute quadrangle, so this vector dataset is not visually seamless across quadrangle boundaries. The vector lines have elevation attributes (in feet above mean sea level on NAVD88), but this dataset does not carry line symbols or annotation.
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Layered geospatial PDF 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features. This map is derived from GIS (geospatial information system) data. It represents a repackaging of GIS data in traditional map form, not creation of new information. The geospatial data in this map are from selected National Map data holdings and other government sources.
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Layered geospatial PDF 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features. This map is derived from GIS (geospatial information system) data. It represents a repackaging of GIS data in traditional map form, not creation of new information. The geospatial data in this map are from selected National Map data holdings and other government sources.
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The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation's surface water drainage system. NHD data was originally developed at 1:100,000-scale and exists at that scale for the whole country. This high-resolution NHD, generally developed at 1:24,000/1:12,000 scale, adds detail to the original 1:100,000-scale NHD. (Data for Alaska, Puerto Rico and the Virgin Islands was developed at high-resolution, not 1:100,000 scale.) Local resolution NHD is being developed where partners and data exist. The NHD contains reach codes for networked features, flow direction, names, and centerline representations for areal water...
Tags: Adams County, Administrative watershed units, Administrative watershed units, Area of Complex Channels, Area to be submerged, All tags...
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The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation's surface water drainage system. NHD data was originally developed at 1:100,000-scale and exists at that scale for the whole country. This high-resolution NHD, generally developed at 1:24,000/1:12,000 scale, adds detail to the original 1:100,000-scale NHD. (Data for Alaska, Puerto Rico and the Virgin Islands was developed at high-resolution, not 1:100,000 scale.) Local resolution NHD is being developed where partners and data exist. The NHD contains reach codes for networked features, flow direction, names, and centerline representations for areal water...
Tags: Administrative watershed units, Administrative watershed units, Area of Complex Channels, Area to be submerged, Basin, All tags...
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The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation's surface water drainage system. NHD data was originally developed at 1:100,000-scale and exists at that scale for the whole country. This high-resolution NHD, generally developed at 1:24,000/1:12,000 scale, adds detail to the original 1:100,000-scale NHD. (Data for Alaska, Puerto Rico and the Virgin Islands was developed at high-resolution, not 1:100,000 scale.) Local resolution NHD is being developed where partners and data exist. The NHD contains reach codes for networked features, flow direction, names, and centerline representations for areal water...
Tags: Administrative watershed units, Administrative watershed units, Area of Complex Channels, Area to be submerged, Basin, All tags...
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The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation's surface water drainage system. NHD data was originally developed at 1:100,000-scale and exists at that scale for the whole country. This high-resolution NHD, generally developed at 1:24,000/1:12,000 scale, adds detail to the original 1:100,000-scale NHD. (Data for Alaska, Puerto Rico and the Virgin Islands was developed at high-resolution, not 1:100,000 scale.) Local resolution NHD is being developed where partners and data exist. The NHD contains reach codes for networked features, flow direction, names, and centerline representations for areal water...
Tags: Administrative watershed units, Administrative watershed units, Area of Complex Channels, Area to be submerged, Basin, All tags...
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These vector contour lines are derived from the 3D Elevation Program using automated and semi-automated processes. They were created to support 1:24,000-scale CONUS and Hawaii, 1:25,000-scale Alaska, and 1:20,000-scale Puerto Rico / US Virgin Island topographic map products, but are also published in this GIS vector format. Contour intervals are assigned by 7.5-minute quadrangle, so this vector dataset is not visually seamless across quadrangle boundaries. The vector lines have elevation attributes (in feet above mean sea level on NAVD88), but this dataset does not carry line symbols or annotation.
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These vector contour lines are derived from the 3D Elevation Program using automated and semi-automated processes. They were created to support 1:24,000-scale CONUS and Hawaii, 1:25,000-scale Alaska, and 1:20,000-scale Puerto Rico / US Virgin Island topographic map products, but are also published in this GIS vector format. Contour intervals are assigned by 7.5-minute quadrangle, so this vector dataset is not visually seamless across quadrangle boundaries. The vector lines have elevation attributes (in feet above mean sea level on NAVD88), but this dataset does not carry line symbols or annotation.
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We used visual surveys to document the presence of all life stages of Cascades frog (Rana cascadae) at historically occupied sites. We surveyed 67 sites 1-2 times between May and August of 2018 and 2019. This effort was a continuation of 2001-2004 surveys conducted at the same site pool. This dataset includes counts of amphibians, reptiles, and fish observed during each site survey, as well as habitat covariates.
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Estuarine ecosystems are controlled by a variety of processes that operate at multiple spatial and temporal scales. Understanding the hierarchical nature of these processes will aid in prioritization of restoration efforts. This hierarchical Columbia River Estuary Ecosystem Classification (henceforth "Classification") of the Columbia River estuary is a spatial database of the tidally-influenced reaches of the lower Columbia River, the tidally affected parts of its tributaries, and the landforms that make up their floodplains for the 230 kilometers between the Pacific Ocean and Bonneville Dam. This work is a collaborative effort between University of Washington School of Aquatic and Fishery Sciences (henceforth "UW"),...


map background search result map search result map Columbia River Estuary Ecosystem Classification Hydrogeomorphic Reach USGS Topo Map Vector Data (Vector) 9664 Colton, Oregon 20200713 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 45165 Timothy Lake, Oregon 20200713 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 17869 Government Camp, Oregon 20200714 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 3009 Bedford Point, Oregon 20200714 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 11265 Damascus, Oregon 20200714 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 14565 Estacada, Oregon 20200714 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 41052 Sherwood, Oregon 20200714 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 47406 Wanderers Peak, Oregon 20200714 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 47424 Wapinitia Pass, Oregon 20200714 for 7.5 x 7.5 minute Shapefile USGS National Hydrography Dataset Best Resolution (NHD) for Hydrological Unit (HU) 8 - 17080001 (published 20220919) Shapefile USGS National Hydrography Dataset Best Resolution (NHD) for Hydrological Unit (HU) 8 - 17090010 (published 20220919) FileGDB USGS NED 1/3 arc-second Contours for Salem E, Oregon 20200810 1 X 1 degree FileGDB 10.1 USGS NED 1/3 arc-second Contours for Vancouver E, Washington 20200810 1 X 1 degree Shapefile USGS NED 1/3 arc-second Contours for Vancouver E, Washington 20200810 1 X 1 degree FileGDB 10.1 Cascades frog (Rana cascadae) historical site surveys in the Oregon Cascade Range, 2018-2019 USGS US Topo 7.5-minute map for Sherwood, OR 2020 USGS US Topo 7.5-minute map for Wanderers Peak, OR 2020 USGS National Hydrography Dataset Best Resolution (NHD) - Washington (published 20220913) FileGDB USGS National Hydrography Dataset Best Resolution (NHD) for Hydrological Unit (HU) 8 - 17070306 (published 20220919) GeoPackage USGS Topo Map Vector Data (Vector) 9664 Colton, Oregon 20200713 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 45165 Timothy Lake, Oregon 20200713 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 17869 Government Camp, Oregon 20200714 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 3009 Bedford Point, Oregon 20200714 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 11265 Damascus, Oregon 20200714 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 14565 Estacada, Oregon 20200714 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 41052 Sherwood, Oregon 20200714 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 47406 Wanderers Peak, Oregon 20200714 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 47424 Wapinitia Pass, Oregon 20200714 for 7.5 x 7.5 minute Shapefile USGS US Topo 7.5-minute map for Sherwood, OR 2020 USGS US Topo 7.5-minute map for Wanderers Peak, OR 2020 USGS National Hydrography Dataset Best Resolution (NHD) for Hydrological Unit (HU) 8 - 17090010 (published 20220919) FileGDB USGS National Hydrography Dataset Best Resolution (NHD) for Hydrological Unit (HU) 8 - 17080001 (published 20220919) Shapefile USGS NED 1/3 arc-second Contours for Salem E, Oregon 20200810 1 X 1 degree FileGDB 10.1 USGS NED 1/3 arc-second Contours for Vancouver E, Washington 20200810 1 X 1 degree Shapefile USGS NED 1/3 arc-second Contours for Vancouver E, Washington 20200810 1 X 1 degree FileGDB 10.1 USGS National Hydrography Dataset Best Resolution (NHD) for Hydrological Unit (HU) 8 - 17070306 (published 20220919) GeoPackage Columbia River Estuary Ecosystem Classification Hydrogeomorphic Reach Cascades frog (Rana cascadae) historical site surveys in the Oregon Cascade Range, 2018-2019 USGS National Hydrography Dataset Best Resolution (NHD) - Washington (published 20220913) FileGDB