Found 545 datasets matching "Study boundary".
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Boundary polygon for the Cottonwood Lake Study Area, Stutsman County, North Dakota.
Search relevance: 85.63 | Views last month: 0 -
In 2013, the first of several Regional Stream Quality Assessments (RSQA) was done in the Midwest United States. The Midwest Stream Quality Assessment (MSQA) was a collaborative study by the U.S....
Search relevance: 76.25 | Views last month: 0 -
In 2015, the second of several Regional Stream Quality Assessments (RSQA) was done in the southeastern United States. The Southeast Stream Quality Assessment (SESQA) was a study by the U.S....
Search relevance: 76.19 | Views last month: 1 -
One of the largest hydraulic mines (1.6 km2) is located in California’s Sierra Nevada within the Humbug Creek watershed and Malakoff Diggins State Historic Park (MDSHP). MDSHP’s denuded and...
Search relevance: 72.33 | Views last month: 1 -
This digital data set represents the Death Valley regional ground-water flow system (DVRFS) study area which encompasses approximately 100,000-square kilometers in Nevada and California and is...
Search relevance: 68.85 | Views last month: 0 -
This digital data set represents the Death Valley regional ground-water flow system (DVRFS) study area which encompasses approximately 100,000-square kilometers in Nevada and California and is...
Search relevance: 68.44 | Views last month: 0 -
As part of the U.S. Geological Survey's National Water-Quality Assessment Program, an investigation of the Yellowstone River Basin study unit is being conducted to document status and trends...
Search relevance: 66.61 | Views last month: 0 -
The U.S. Geological Survey collected groundwater samples from 48 grid wells and 11 understanding wells screened in aquifers used for domestic supply in San Bernardino County, California, in 2018....
Search relevance: 61.54 | Views last month: 0 -
The U.S. Geological Survey collected groundwater samples from 71 domestic wells and 4 springs in Nevada, Yuba, Sierra, and Placer Counties, California in 2015-2016. The wells and springs were...
Search relevance: 60.22 | Views last month: 2 -
These data present a ground-water inventory of existing geospatial data and other information needed to determine the extent and characteristics of the aquifers in the Tahoe Basin. Geospatial and...
Search relevance: 59.10 | Views last month: 0 -
WSA_ARC: This data set represents Wilderness Study Area (WSA) boundaries as inventoried in the mid1980's and defined in the October 1991 "Wilderness Study Report". Wilderness Study Areas are...
Search relevance: 58.60 | Views last month: 0 -
This dataset contains the amalgamation of the hydrographic area (HA) boundaries and polygons for the GBCAAS study area. The study area consists of 165 HAs based on Great Basin HAs defined by the...
Search relevance: 58.06 | Views last month: 0 -
This digital data set delineates the boundary of the Death Valley region that was first evaluated by the U.S. Geological Survey (USGS) as a potential hydrogeologic environment for isolation of...
Search relevance: 57.21 | Views last month: 1 -
This digital data set delineates the boundary of the Death Valley region that was first evaluated by the U.S. Geological Survey (USGS) as a potential hydrogeologic environment for isolation of...
Search relevance: 57.16 | Views last month: 0 -
The U.S. Geological Survey collected groundwater samples from 67 domestic wells and 1 spring used for domestic supply in Placer, El Dorado, Amador, and Calaveras Counties, California in 2016-2017....
Search relevance: 53.73 | Views last month: 3 -
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: 49.75 | Views last month: 0 -
The entire population of the Wood River Valley depends on ground water for domestic supply, either from domestic or municipal-supply wells, rapid population growth since the 1970s has raised...
Search relevance: 48.83 | Views last month: 0 -
The U.S. Geological Survey (USGS) is providing a polygon feature class showing the extent of the study area, the Binghamton East 1:24,000 quadrangle, located within south-central Broome County,...
Search relevance: 45.26 | Views last month: 1 -
This digital data set defines the flow-system boundary encompassing the regional ground-water flow model by D'Agnese and others (1997). The boundary encompasses an approximately 50,000...
Search relevance: 42.87 | Views last month: 0 -
This digital data set defines the boundary of the hydrogeologic framework model (HFM) developed by IT Corporation (1996) for the U.S. Department of Energy Underground Test Area Phase I project....
Search relevance: 42.81 | Views last month: 2
