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Proportion of Sagebrush Land Cover (5-km scale) in the western US This map was developed to examine multi-scale spatial relationships between percentage of sagebrush and other response variables of interest. A map of sagebrush in the western United States was used as a base layer for a moving window analysis to calculate the percentage of the area classified as sagebrush within a 5-km search radius. Provides 5-km scale proportion of sagebrush land cover for use in examining multi-scale relationships. Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service; Tags: Arizona, California, Colorado, Distribution, Distribution, All tags... Ecological System, Ecological System, Exisiting Vegetation, Exisiting Vegetation, Idaho, Montana, Nevada, New Mexico, North Dakota, Oregon, South Dakota, United States, Utah, Washington, Wyoming, western United States, western United States, Fewer tags Aquatic Ecoregions of the Conterminous United States Ecoregions are based on perceived patterns of a combination of causal and integrative factors including land use, land surface form, potential natural vegetation, and soils (Omernik, 1987). Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Aquatic, Conterminous, Ecoregion, Ecoregions, Omernik, All tags... Omernik's, US, USA, United States, Fewer tags powerlines_WUS_CAN_sgca Powerlines in the western United States and Canada as identified by the 22 source data layers used to compile this shapefile. Source data were collected by personal contact or through the internet in the winter and spring of 2004 and assimilated using ArcGIS. This file is a complete record of overhead powerline data that was avaliable as of 5/15/2004 but IS NOT INTENDED TO BE A COMPLETE REPRESENTATION OF THE SUM TOTAL OF ALL POWERLINES ON THE GROUND. These data primarily depict the higher voltage, long distance transmission lines but some arcs likely represent lower voltage distribution lines. Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Alberta, Arizona, British Columbia, California, Canada, All tags... Colorado, Electrical lines, Electricity, Idaho, Infrastructure, Montana, Nevada, New Mexico, North America, North Dakota, Oregon, Power lines, Powerlines, Saskatchewan, South Dakota, Telephone Lines, Transmission Lines, United States, Utah, Utilities, Utilities and Communications, Utility Lines, Washington, Wyoming, Fewer tags Oil and Gas Wells in the western United States (NOGA 1994) Locations of oil and gas wells in 11 western states. Data was obtained from the National Oil and Gas Assessment. Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Arizona, California, Colorado, Idaho, Montana, All tags... Nevada, New Mexico, Oregon, Utah, Washington, Western US, Wyoming, gas, oil, wells, Fewer tags Bailey's Ecoregions of the Conterminous United States This multi-tiered, broad-scale, hierarchical system of ecoregions is based on numerous environmental variables at each level. The first two tiers are based on climate, followed by climate and physiograpghy, and finally topography and soils. This data was used to provide a general description of the ecosystem geography. Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Bailey, Bailey's, Division, Domain, Ecoregion, All tags... Ecoregions, Province, Section, US, USA, United States, conterminous, Fewer tags