Found 99 datasets matching "Sand extent".
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Digital surfaces and thicknesses of selected hydrogeologic units of the Floridan aquifer system were developed to define an updated hydrogeologic framework as part of the U.S. Geological Survey...
Search relevance: 96.89 | Views last month: 0 -
The data contained in these tables detail the areal extent of exposed sand, in square meters, along the Colorado River between Glen Canyon Dam, Arizona, and Bright Angel Creek, Arizona, within...
Search relevance: 55.99 | Views last month: 2 -
This child item dataset contains a shapefile that delineates the overall extent of stratified drift (glacial) aquifers within the Owasco Inlet watershed. The extent includes coarse-grained (sand...
Search relevance: 48.59 | Views last month: 0 -
This dataset contains the areas of surficial sand and gravel with water-resource potential within the study area. The delineated areas are the largest areas of glaciofluvial sand and gravel with...
Search relevance: 47.72 | Views last month: 0 -
See full Data Guide here. This data layer includes the information portrayed on the Surficial Materials Map of Connecticut (Stone, J.R., Schafer, J.P., London, E.H. and Thompson, W.B., 1992, U.S....
Search relevance: 46.35 | Views last month: 0 -
See full Data Guide here. This data layer includes the information portrayed on the Surficial Materials Map of Connecticut (Stone, J.R., Schafer, J.P., London, E.H. and Thompson, W.B., 1992, U.S....
Search relevance: 46.35 | Views last month: 0 -
This dataset contains the areas of sand and gravel or sand pits within the study area. The delineated areas are current or former mining areas. This digital dataset is the result of a study to...
Search relevance: 46.34 | Views last month: 0 -
See full Data Guide here. This data layer includes the information portrayed on the Surficial Materials Map of Connecticut (Stone, J.R., Schafer, J.P., London, E.H. and Thompson, W.B., 1992, U.S....
Search relevance: 46.18 | Views last month: 0 -
These data were compiled to assess the risk of erosion to archaeological site preservation. The objective of the study is to evaluate changes in archaeological site condition over time as a...
Search relevance: 42.31 | Views last month: 0 -
This dataset includes the surficial extent of the Red River alluvial aquifer, cross-section wells within the Red River alluvial surficial extent, Red River alluvial aquifer base contours and...
Search relevance: 42.17 | Views last month: 2 -
This workbook contains spatial data on the hydrology, sedimentology, and vegetation extent within the Colorado River corridor from 60 to 78 miles (97 to 125 kilometers) downstream from Glen Canyon...
Search relevance: 41.29 | Views last month: 0 -
In 2004, the U.S. Geological Survey initiated a large-scale regional study of the Denver Basin aquifer system to evaluate the hydrologic effects of continued pumping and document an updated...
Search relevance: 40.35 | Views last month: 0 -
A study was conducted to provide detailed mapping of glacial aquifers associated with the Fairport-Lyons channel system in Wayne, Ontario, and Seneca Counties, New York. The study was part of the...
Search relevance: 40.24 | Views last month: 1 -
Surficial Aquifer Texture Map was prepared from the Surficial Materials Map of Connecticut (Stone, J.R., Schafer, J.P., London, E.H. and Thompson, W.B., 1992, U.S. Geological Survey special map, 2...
Search relevance: 39.66 | Views last month: 0 -
The substrate enhancement pilot project (SEPP) extent GIS layer represents an area where an artificial substrate will be placed. The artificial substrate, consisting of a mixed size class of...
Search relevance: 38.91 | Views last month: 0 -
The substrate enhancement pilot project (SEPP) extent GIS layer represents an area where an artificial substrate will be placed. The artificial substrate, consisting of a mixed size class of...
Search relevance: 38.91 | Views last month: 0 -
This groundwater-flow model archive contains heuristic model simulations evaluating the sustainability of groundwater withdrawals from public-water-supply wells on buried glacial aquifers. A...
Search relevance: 38.87 | Views last month: 2 -
The Pecos River Basin alluvial aquifer, hereinafter referred to as the "Pecos aquifer", is located in western Texas and southeastern New Mexico. The aquifer is primarily composed of alluvial sand...
Search relevance: 38.50 | Views last month: 0 -
Datasets include hydrogeologic cross section wells within the Red River alluvial aquifer surficial extent, Red River alluvial aquifer base contours and wells, isopach map showing combined...
Search relevance: 37.65 | Views last month: 0 -
A suite of geophysical methods was used along the Cedar River in Cedar Rapids, Iowa to support the hydrogeologic characterization of the alluvial aquifer associated with the river and to assess...
Search relevance: 36.24 | Views last month: 1
