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A potentiometric surface map for spring 2016 was created for the Mississippi River Valley alluvial (MRVA) aquifer, which was referenced to the North American Vertical Datum of 1988 (NAVD 88),...
Search relevance: 1.00 | Views last month: 9 | Catalog Last Checked: August 01, 2026 at 03:36 AM -
This report describes the thickness and areal extent of the Sparta aquifer, identifies sands within the fresh-water extent of the aquifer, and presents data and a map that illustrate the...
Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: August 01, 2026 at 05:09 AM -
This point shapefile consists of digital points that represent water level altitudes in the Lloyd and North Shore aquifers of Long Island, New York. The U.S. Geological Survey measured 55...
Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: August 01, 2026 at 05:41 AM -
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: 1.00 | Views last month: 5 | Catalog Last Checked: August 01, 2026 at 03:43 AM -
Statistical analyses and maps representing mean, high, and low water-level conditions in the surface water and groundwater of Miami-Dade County were made by the U.S. Geological Survey, in...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: August 01, 2026 at 04:55 AM -
This data set contains the potentiometric water-level altitude contours representing the 2009 potentiometric surface of the basin fill groundwater system of Dixie Valley, west-central Nevada.
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: August 01, 2026 at 03:58 AM -
A potentiometric surface map for spring 2016 was created for the Mississippi River Valley alluvial (MRVA) aquifer, which was referenced to the North American Vertical Datum of 1988 (NAVD 88),...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: August 01, 2026 at 06:19 AM -
This data set describes the water-table contours that were used to create a map of the generalized potentiometric surface of the Arikaree aquifer in the Pine Ridge Indian Reservation and Bennett...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: August 01, 2026 at 03:27 AM -
This dataset is the raster, in feet, of the potentiometric-surface map, spring 2020, Mississippi River Valley alluvial aquifer (MRVA). The raster cell size is 1,000 meters; the raster altitude...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: August 01, 2026 at 05:53 AM -
This dataset contains the contours, in feet, of the potentiometric-surface, spring 2018, Mississippi River Valley alluvial (MRVA) aquifer. The contours are referenced to the North American...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: August 01, 2026 at 05:39 AM -
A digital dataset of analog simulation of water-level declines in the Sparta Sand, Mississippi Embayment in Missouri, Kentucky, Arkansas, Tennessee, Louisiana, and Mississippi was developed from...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: August 01, 2026 at 05:01 AM -
The potentiometric surface of the Sparta Sand in northern Louisiana is shown by contours on four maps. Maps for 1900, 1965 , and spring 1975 are generalized, small-scale maps from previously...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: August 01, 2026 at 06:19 AM -
Statistical analyses and maps representing mean, high, and low water-level conditions in the surface water and groundwater of Miami-Dade County were made by the U.S. Geological Survey, in...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: August 01, 2026 at 04:54 AM -
A potentiometric surface map for spring 2016 was created for the Mississippi River Valley alluvial (MRVA) aquifer, which was referenced to the North American Vertical Datum of 1988 (NAVD 88),...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: August 01, 2026 at 05:47 AM -
This point shapefile consists of digital points that represent water level altitudes in the Lloyd and North Shore aquifers of Long Island, New York. The U.S. Geological Survey measured 58...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: August 01, 2026 at 03:29 AM -
This data release includes text files of well data and shapefiles of potentiometric contours of the Fort Union, Hell Creek, and Fox Hills aquifers within the Standing Rock Indian Reservation. The...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: August 01, 2026 at 03:29 AM -
The potentiometric surface altitude was measured at 61 observation wells and 27 supply wells screened in the Magothy aquifer and the contiguous and hydraulically connected Jameco aquifer during...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: August 01, 2026 at 04:44 AM -
This dataset contains the contours, in feet, of the potentiometric-surface, spring 2020, Mississippi River Valley alluvial aquifer (MRVA). The contours are referenced to the North American...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: August 01, 2026 at 04:42 AM -
Water-level measurements from 190 wells were used to develop a potentiometric-surface map of the east-central portion of the regional Great Basin carbonate and alluvial aquifer system in and...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: August 01, 2026 at 06:12 AM -
Statistical analyses and maps representing mean, high, and low water-level conditions in the surface water and groundwater of Miami-Dade County were made by the U.S. Geological Survey, in...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: August 01, 2026 at 03:47 AM
