Found 20 datasets matching filters. (clear all filters)
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This data release contains a crosswalk between subwatersheds (12-digit hydrologic unit codes; hereafter, HUC12s) and hydrologic regions (sometimes called "Van Metre regions"). This crosswalk...
Search relevance: 1.00 | Views last month: 9 | Catalog Last Checked: May 05, 2026 at 10:13 PM -
This dataset describes the quantity and morphology of microplastics in water, surficial sediment, sediment core, fish, and shellfish samples from Lake Mead National Recreation Area...
Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: May 05, 2026 at 09:21 PM -
Digital replicas of aerial photographs collected in 1938 by the U.S. Bureau of Reclamation along the floodplain of the Colorado River in Mohave Valley, Arizona, California, and Nevada.
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: May 05, 2026 at 07:25 PM -
Total dissolved solids (TDS) in surface waters affect water quality and useability and are of particular concern in the Colorado River Basin. Estimates of current and past TDS concentration and...
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This product is a georectified and tonally balanced mosaic of aerial photographs collected in 1938 by the U.S. Bureau of Reclamation along the floodplain of the Colorado River in Mohave Valley,...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: May 05, 2026 at 09:47 PM -
The Blythe 30' x 60' quadrangle in southeastern California and southwestern Arizona displays complex geology that includes Mesozoic contractional deformation, metamorphism, and magmatism and...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: May 05, 2026 at 09:42 PM -
Georectified and tonally balanced aerial photographs collected in 1938 by the U.S. Bureau of Reclamation along the floodplain of the Colorado River in Mohave Valley, Arizona, California, and Nevada.
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: May 05, 2026 at 07:29 PM -
This data release contains fractional intersectional weights used to crosswalk data from the National Water Use Program to the National Integrated Water Availability Assessment (IWAAs) projects....
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: May 05, 2026 at 08:12 PM -
We collected ddRADseq data using the Peterson et al. 2012 (see Methodology for full citation) protocol to study the population structure and genetic diversity of two threatened species of...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: May 05, 2026 at 09:30 PM -
This product is a georectified and tonally balanced mosaic of aerial photographs collected in 1930, 1938, and 1947 by the U.S. Bureau of Reclamation along the floodplain of the Colorado River in...
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: May 05, 2026 at 08:42 PM -
Reported here are detrital sanidine argon geochronology data collected to better understand the early evolution of the Colorado River system. Samples were collect throughout the lower Colorado...
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This dataset comprises georectified and tonally balanced aerial photographs collected in 1930 by the U.S. Bureau of Reclamation along a portion of the floodplain of the Colorado River in Palo...
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: May 05, 2026 at 09:57 PM -
This product is a georectified and tonally balanced image mosaic of aerial photographs collected in February 1935 by the U.S. Soil Conservation Service along the floodplain of the Colorado River...
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: May 05, 2026 at 09:49 PM -
This dataset comprises a georectified version of the historical black and white aerial photographs acquired in 1935 by the U.S. Soil Conservation Service along a portion of the floodplain of the...
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: May 05, 2026 at 08:49 PM -
This dataset comprises digital replicas of aerial photographs collected in 1930 by the U.S. Bureau of Reclamation along a portion of the floodplain of the Colorado River in Palo Verde Valley,...
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: May 05, 2026 at 10:20 PM -
This product is a georectified and tonally balanced mosaic of aerial photographs collected in 1930 by the U.S. Bureau of Reclamation along a portion of the floodplain of the Colorado River in Palo...
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: May 05, 2026 at 07:54 PM -
This product is a georectified and tonally balanced mosaic of aerial photographs collected in 1938 along the floodplain of the Colorado River in Parker Valley, Arizona and California. The mosaic...
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: May 05, 2026 at 08:23 PM -
This dataset comprises the original scans of the 1935 aerial photographs acquired in February 1935 by Fairchild Aerial Surveys for the United States Soil Conservation Service under flight number...
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: May 05, 2026 at 09:55 PM -
This product is a georectified and tonally balanced mosaic of digital aerial photographs of the Parker Valley region acquired in 1947 and archived by the U.S. Geological Survey as part of the USGS...
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: May 05, 2026 at 10:18 PM -
This product is a georectified and tonally balanced mosaic of aerial photographs collected in 1930 by Fairchild Aerial Surveys along the floodplain of the Colorado River in Parker Valley, Arizona...
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: May 05, 2026 at 10:11 PM