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Federal
USGS Elevation Contours Overlay Map Service from The National Map NGDA 12 recent views
U.S. Geological Survey, Department of the Interior —
The USGS Elevation Contours service from The National Map (TNM) consists of contours generated for the conterminous United States from 1- and 1/3 arc-second elevation... -
Federal
National Hydrography Dataset Plus High Resolution (NHDPlus HR) - USGS National Map Downloadable Data Collection
Department of the Interior —
The High Resolution National Hydrography Dataset Plus (NHDPlus HR) is an integrated datset of geospatial data layers, including the most current National Hydrography... -
Federal
Channel Mapping of the Colorado River in Grand Canyon National Park, Arizona - May 2012, river miles 29 to 62 - Data
Department of the Interior —
Bathymetric, topographic, and grain-size data were collected in May 2012 along a 33-mi reach of the Colorado River in Grand Canyon National Park, Arizona. The study... -
Federal
Channel Mapping of the Colorado River in Grand Canyon National Park, Arizona, May 2009, river miles 29 to 62—Data
Department of the Interior —
Bathymetric, topographic, and grain-size data were collected in May 2009 along a 33-mi reach of the Colorado River in Grand Canyon National Park, Arizona. The study... -
Federal
2020 Niobrara River Topobathymetric Lidar Validation – USGS Field Survey Data
Department of the Interior —
U.S. Geological Survey (USGS) scientists conducted field data collection efforts between August 17th and 28th, 2020 over a large stretch of the Niobrara River in... -
Federal
2021 McKenzie River Topobathymetric Lidar Validation – USGS Field Survey Data
Department of the Interior —
U.S. Geological Survey (USGS) scientists conducted field data collection efforts between July 19th and 31st, 2021 over a large stretch of the McKenzie River in Oregon... -
Federal
White Sturgeon Egg-Mat Network near Shorty's Island and Myrtle Bend, 2007-2013, Koootenai River near Bonners Ferry, ID
Department of the Interior —
The egg-mat data describe a sub-set of the egg-mat network operated by the Idaho Department of Fish and Game. The sub-set inlcudes two sites, 1. near an area commonly... -
Federal
Myrtle Bend Substrate Enhancement Pilot Project Extent, Kootenai River near Bonners Ferry, ID, 2014
Department of the Interior —
The substrate enhancement pilot project (SEPP) extent GIS layer represents an area where an artificial substrate will be placed. The artificial substrate, consisting... -
Federal
Shorty's Island Substrate Enhancement Pilot Project Extent, Kootenai River near Bonners Ferry, ID, 2014
Department of the Interior —
The substrate enhancement pilot project (SEPP) extent GIS layer represents an area where an artificial substrate will be placed. The artificial substrate, consisting... -
Federal
Bathymetry Data for Portions of Lower Granite Reservoir and Vicinity, Washington and Idaho, 2009-10
Department of the Interior —
During autumn 2009 and winter 2010, the U.S. Geological Survey (USGS), in cooperation with the U.S. Army Corps of Engineers (USACE), conducted a hydrographic survey... -
Federal
USGS US Topo Acquisition Plan Objectives for FY19 from The National Map
U.S. Geological Survey, Department of the Interior —
U.S. Geological Survey, Department of the Interior - The annual US Topo acquisition plan is to collect topographic map data in the form of US Topo GeoPDF maps over...