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Federal
Topographic Wetness Index raster - Land Cover Mapping, North Slope of the Arctic National Wildlife Refuge, Alaska, 2019
Department of the Interior —
"We obtained the 5 m Interferometric Synthetic Aperture Radar Digital Terrain Model (IFSAR DTM) tiles for the study area from https://elevation.alaska.gov/ and... -
Federal
Physiography raster - Land Cover Mapping, North Slope of the Arctic National Wildlife Refuge, Alaska, 2019
Department of the Interior —
Physiography was derived from an attribute field in the ecological subsection mapping. The original physiography linework was adjusted to match the image segmentation... -
Federal
Surficial Substrates in the Cuyahoga River, Ohio, 2021
Department of the Interior —
Substrates in the Cuyahoga River, OH were mapped to assess the availability of Lake Sturgeon (Acipenser fulvescens) spawning habitat and age-0 Lake Sturgeon habitat.... -
Federal
Series of aerial images over Alamosa National Wildlife Refuge, acquired in 1953
Department of the Interior —
This data set includes 16 georeferenced and clipped versions of aerial photographs from September 29th and October 1st, 1953, taken over Alamosa National Wildlife... -
Federal
R1: Oregon Coast: 2003 Aerial Photography of Nesting Seabird Colony Islands for Monitoring Purposes - Selected (Colony) Images Used For Counting, Geospatial Representation
Department of the Interior —
Photography from helicopter taken for the purposes of resource monitoring, specifically seabird colony status and distribution. Oregon Coast aerial and boat based... -
Federal
R1: Oregon Coast: 2000 Aerial Photography of Nesting Seabird Colony Islands for Monitoring Purposes - Stitched (Colony) Images Used to Manual Count Nesting Seabirds, Geospatial Representation
Department of the Interior —
Photography from helicopter taken for the purposes of resource monitoring, specifically seabird colony status and distribution. Oregon Coast aerial and boat based... -
Federal
R1: Oregon Coast: 2014 Aerial Photography of Nesting Seabird Colony Islands for Monitoring Purposes - Selected (Colony) Images Used For Counting, Geospatial Representation
Department of the Interior —
Photography from helicopter taken for the purposes of resource monitoring, specifically seabird colony status and distribution. Oregon Coast aerial and boat based... -
Federal
R1: Oregon Coast: 2012 Aerial Photography of Nesting Seabird Colony Islands for Monitoring Purposes - Selected (Colony) Images Used For Counting, Geospatial Representation
Department of the Interior —
Photography from helicopter taken for the purposes of resource monitoring, specifically seabird colony status and distribution. Oregon Coast aerial and boat based... -
Federal
R1: Oregon Coast: 1988 Aerial Photography of Nesting Seabird Colony Islands for Monitoring Purposes - Selected (Colony) Images Used For Counting, Geospatial Representation
Department of the Interior —
Photography from helicopter taken for the purposes of resource monitoring, specifically seabird colony status and distribution. Oregon Coast aerial and boat based... -
Federal
Chena River habitat mapping Survey123 results
Department of the Interior —
Shapefile containing results from ESRI Survey123 form designed for ground truthing side-scan sonar riverine habitat mapping in the Chena River. -
Federal
Series of aerial images over Baca National Wildlife Refuge, acquired November, 1941
Department of the Interior —
This data set includes 59 georeferenced versions of original black and white aerial photographs from November 1941, acquired in digital form from the National... -
Federal
R1: Oregon Coast: 1994 Aerial Photography of Nesting Seabird Colony Islands for Monitoring Purposes - Selected (Colony) Images Used For Counting, Geospatial Representation
Department of the Interior —
Photography from helicopter taken for the purposes of resource monitoring, specifically seabird colony status and distribution. Oregon Coast aerial photography taken... -
Federal
R1: Oregon Coast: 1988 Aerial Photography of Nesting Seabird Colony Islands for Monitoring Purposes - Stitched (Colony) Images Used to Manual Count Nesting Seabirds, Geospatial Representation
Department of the Interior —
Photography from helicopter taken for the purposes of resource monitoring, specifically seabird colony status and distribution. Oregon Coast aerial and boat based... -
Federal
Series of aerial images over Baca National Wildlife Refuge, acquired July, 1988
Department of the Interior —
This data set includes 21 georeferenced and clipped versions of aerial photographs from July 22nd, 1988, taken over Baca National Wildlife Refuge. A georeferenced... -
Federal
Land cover rasters (raw data) - Selawik National Wildlife Refuge
Department of the Interior —
This geodatabase contains three (3) rasters, two (2) of which represent landcover for Selawik National Wildlife Refuge and surrounding areas. The third raster... -
Federal
R1: Oregon Coast: 2006 Aerial Photography of Nesting Seabird Colony Islands for Monitoring Purposes - Selected (Colony) Images Used For Counting, Geospatial Representation
Department of the Interior —
Photography from helicopter taken for the purposes of resource monitoring, specifically seabird colony status and distribution. Oregon Coast aerial and boat based... -
Federal
Raw side-scan sonar data relating to Chena River habitat mapping in 2022
Department of the Interior —
Raw data files downloaded from from a side-scan sonar unit (Humminbird Helix 15) generated while conducting transects throughout the lower Chena River to create a... -
Federal
Chena River habitat mapping substrate types
Department of the Interior —
Collection of shapefiles containing results from side-scan sonar riverine habitat mapping in the Chena River conducted in 2022. Each shapefile includes polygons... -
Federal
R1: Oregon Coast: Aerial Photography of Nesting Seabird Colony Islands for Monitoring Purposes - Slide Catalog of Scanned Images
Department of the Interior —
Photography from helicopter (or plane) taken for the purposes of resource monitoring, specifically seabird colony status and distribution. The USFWS has conducted... -
Federal
Fish Springs National Wildlife Refuge National Vegetation Classification (NVC) map
Department of the Interior —
National Vegetation Classification (NVC) map for Fish Springs National Wildlife Refuge. NVC provides a standardized hierarchical approach to classifying vegetation...