Mapping, monitoring, and modeling Western Gateway Community landscape dynamics [ More info] Geospatial analysis of factors affecting communities that are adjacent to Federal lands, especially those lands subject to varying public interest and visitation.
USGS National Map of Surficial Mineralogy [ More info] Maps of exposed surface mineral groups derived from automated spectral analysis of satellite and airborne imaging systems; these data suggest areas that may contain mineral deposits of various types.
Geochemical and mineral maps from soils of the conterminous United States [ More info] Geochemical and mineralogical maps along with a histogram, boxplot, and empirical cumulative distribution function plot for each element or mineral whose data are provided in DS-801
The 3D Elevation Program: summary for Arizona [ More info] Summarizes the expected value over the next decade of the 3D Elevation Program for this state.
Summary of estimated water use in the United States in 2010 [ More info] About 355,000 million gallons per day of water was withdrawn for use in the United States during 2010, a decline of 13 percent from 2005 and a substantial change from the level of about 400,000 reported from 1985 to 2005.
2008 High-Flow Experiment at Glen Canyon Dam Benefits Colorado River Resources in Grand Canyon National Park [ More info] Scientists studied whether high flows could be used to rebuild sandbars, create nearshore habitat for the endangered humpback chub, and help other resources such as archaeological sites, rainbow trout, aquatic food availability, and riverside vegetation.
Status and Trends of Resources Below Glen Canyon Dam Update - 2009 [ More info] Summary of changes to water quality, sediment, aquatic food, native fish, riparian vegetation, and archeological, cultural, and recreational sites since the previous assessment.
Status and Trends of the Grand Canyon Population of Humpback Chub [ More info] The number of adult humpback chub--fish 4 years old and older and capable of reproduction--increased approximately 50 percent between 2001 and 2008.
Mapping perennial vegetation cover in the Mojave Desert [ More info] Field data and satellite images allow us to make a calibrated model of percent vegetation cover, which we can use to inform scientific investigations and land management efforts.
Geospatial Multi-Agency Coordination (GeoMAC) wildland fire perimeters, 2008 [ More info] Where the fires were, as GIS data in shapefile format, geographic coordinates, NAD83.
Alphabetical Index of Topics
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