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Woodland caribou (Rangifer tarandus caribou) in Alberta are classified as endangered and apparently have declined. Disturbance from petroleum exploration has been implicated as a possible cause, so we constructed a simple model to estimate the energy costs of multiple encounters with disturbance (i.e., loud noise). Our objective was to estimate if woodland caribou in northeastern Alberta have been exposed to enough disturbance from 1988 to 1993 to cause winter mass loss to exceed either (i) 15% autumn mass or (ii) 20% autumn mass. A single disturbance event costs caribou 3.46-5.81 MJ. Caribou would have to encounter (i) 20-34 (mean = 27) disturbance events to lose >15% mass over winter and (ii) 41-137 (mean = 89)...
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Layered GeoPDF 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features.
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Layered GeoPDF 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features.
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Layered GeoPDF 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features.
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The Geographic Names Information System (GNIS) is the Federal standard for geographic nomenclature. The U.S. Geological Survey developed the GNIS for the U.S. Board on Geographic Names, a Federal inter-agency body chartered by public law to maintain uniform feature name usage throughout the Government and to promulgate standard names to the public. The GNIS is the official repository of domestic geographic names data; the official vehicle for geographic names use by all departments of the Federal Government; and the source for applying geographic names to Federal electronic and printed products of all types.
Tags: Ada, Adams, Antarctica, Antarctica, BGN, 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, Bannock, All tags...


map background search result map search result map USGS National Hydrography Dataset Best Resolution (NHD) for Hydrological Unit (HU) 8 - 17040208 (published 20240104) Shapefile USGS US Topo 7.5-minute map for Alexander, ID 2017 USGS US Topo 7.5-minute map for Chesterfield, ID 2010 USGS US Topo 7.5-minute map for Fossil Canyon, ID 2017 USGS US Topo 7.5-minute map for Grizzly Creek, ID 2017 USGS US Topo 7.5-minute map for Harrington Peak, ID 2013 USGS US Topo 7.5-minute map for Harrington Peak, ID 2017 USGS US Topo 7.5-minute map for Haystack Mountain, ID 2017 USGS US Topo 7.5-minute map for Meade Peak, ID 2011 USGS US Topo 7.5-minute map for Meade Peak, ID 2013 USGS US Topo 7.5-minute map for North Canyon, ID 2013 USGS US Topo 7.5-minute map for Sage Valley, ID-WY 2015 USGS US Topo 7.5-minute map for Sage Valley, ID-WY 2017 USGS US Topo 7.5-minute map for South Putnam Mountain, ID 2017 USGS US Topo 7.5-minute map for Thatcher, ID 2013 USGS US Topo 7.5-minute map for Thatcher Hill, ID 2013 USGS US Topo 7.5-minute map for Tincup Mountain, ID 2011 USGS Topo Map Vector Data (Vector) 14601 Etna WY (published 20240103) Shapefile Geographic Names Information System (GNIS) Federal Codes for ID (published 20240201) pipes USGS US Topo 7.5-minute map for Alexander, ID 2017 USGS US Topo 7.5-minute map for Chesterfield, ID 2010 USGS US Topo 7.5-minute map for Fossil Canyon, ID 2017 USGS US Topo 7.5-minute map for Grizzly Creek, ID 2017 USGS US Topo 7.5-minute map for Harrington Peak, ID 2013 USGS US Topo 7.5-minute map for Harrington Peak, ID 2017 USGS US Topo 7.5-minute map for Haystack Mountain, ID 2017 USGS US Topo 7.5-minute map for Meade Peak, ID 2011 USGS US Topo 7.5-minute map for Meade Peak, ID 2013 USGS US Topo 7.5-minute map for North Canyon, ID 2013 USGS US Topo 7.5-minute map for Sage Valley, ID-WY 2015 USGS US Topo 7.5-minute map for Sage Valley, ID-WY 2017 USGS US Topo 7.5-minute map for South Putnam Mountain, ID 2017 USGS US Topo 7.5-minute map for Thatcher, ID 2013 USGS US Topo 7.5-minute map for Thatcher Hill, ID 2013 USGS US Topo 7.5-minute map for Tincup Mountain, ID 2011 USGS Topo Map Vector Data (Vector) 14601 Etna WY (published 20240103) Shapefile USGS National Hydrography Dataset Best Resolution (NHD) for Hydrological Unit (HU) 8 - 17040208 (published 20240104) Shapefile Geographic Names Information System (GNIS) Federal Codes for ID (published 20240201) pipes