Search datasets
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ESRI line feature class representing City of Somerville, Massachusetts 1-foot contour intervals.
Search relevance: 119.24 | Views last month: 4 | Catalog Last Checked: September 10, 2026 at 06:29 PM -
Contours are lines of equal elevation. This is a contour feature layer for the state of Connecticut derived from the index contour in the 1' contour data set. All closed polygons less than 35'...
Search relevance: 113.70 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 06:39 PM -
A bathymetric survey of Blue Mountain Lake, Arkansas, was conducted in May 2017 by the Lower Mississippi-Gulf Water Science Center of the U.S. Geological Survey (USGS) using methodologies for...
Search relevance: 56.48 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 08:37 PM -
Download In State Plane Projection HereClick here to access additional data directly from the Illinois State Geospatial Data Clearinghouse.The contours are created from a bare earth DEM derived...
Search relevance: 56.26 | Views last month: 0 | Catalog Last Checked: September 10, 2026 at 05:57 PM -
Groundwater in the arid Mountain Home area is vital to agricultural, municipal, industrial and other water users who are concerned about declining groundwater levels. The U.S. Geological Survey,...
Search relevance: 54.87 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 08:13 PM -
Raster dataset showing saturated thickness (in feet) of the alluvium in the Lower Arkansas River Valley, Southeast Colorado, January 1 - May 31, 2015 and December 1 - 31, 2015 (hereafter defined...
Search relevance: 54.80 | Views last month: 6 | Catalog Last Checked: September 10, 2026 at 10:08 PM -
Raster dataset showing saturated thickness (in feet) of the alluvium in the Lower Arkansas River Valley, Southeast Colorado, January 1 - May 31, 2008 and December 1 - 31, 2008 (hereafter defined...
Search relevance: 54.40 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 08:12 PM -
Raster dataset showing saturated thickness (in feet) of the alluvium in the Lower Arkansas River Valley, Southeast Colorado, January 1 - May 31, 2002 and December 1 - 31, 2002 (hereafter defined...
Search relevance: 53.61 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 08:37 PM -
Raster dataset showing saturated thickness (in feet) of the alluvium in the Lower Arkansas River Valley, Southeast Colorado, June 1 - November 30, 2008 (hereafter defined as "fall"). Saturated...
Search relevance: 51.92 | Views last month: 4 | Catalog Last Checked: September 10, 2026 at 09:28 PM -
Raster dataset showing saturated thickness (in feet) of the alluvium in the Lower Arkansas River Valley, Southeast Colorado, June 1 - November 30, 2002 (hereafter defined as "fall"). Saturated...
Search relevance: 51.26 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 08:08 PM -
Raster dataset showing saturated thickness (in feet) of the alluvium in the Lower Arkansas River Valley, Southeast Colorado, June 1 - November 30, 2015 (hereafter defined as "fall"). Saturated...
Search relevance: 51.15 | Views last month: 9 | Catalog Last Checked: September 10, 2026 at 10:07 PM -
This geodatabase includes spatial datasets that represent the Mississippian aquifer in the States of Alabama, Illinois, Indiana, Iowa, Kentucky, Maryland, Missouri, Ohio, Pennsylvania,...
Search relevance: 50.94 | Views last month: 2 | Catalog Last Checked: October 14, 2026 at 05:30 AM -
A bathymetric survey of Nimrod Lake, Arkansas, was conducted in late April to mid-May, 2016, by the Lower Mississippi-Gulf Water Science Center (LMG WSC) of the U.S. Geological Survey (USGS) using...
Search relevance: 50.04 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 09:12 PM -
The elevation contours in this dataset have a 2-foot (ft) interval and were derived from a digital elevation model (DEM) of beach topography and near-shore bathymetry of Minnesota Point near the...
Search relevance: 49.87 | Views last month: 8 | Catalog Last Checked: September 10, 2026 at 08:02 PM -
This dataset contains 50-ft contours for the Hot Springs shallowest unit of the Ouachita Mountains aquifer system potentiometric-surface map. The potentiometric-surface shows altitude at which the...
Search relevance: 49.56 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 09:30 PM -
A bathymetric survey of Dierks Lake, Arkansas, was conducted in late June - early July 2018 by the Lower Mississippi-Gulf Water Science Center of the U.S. Geological Survey (USGS) using...
Search relevance: 48.61 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 09:50 PM -
A bathymetric survey of DeQueen Lake, Sevier County, Arkansas was conducted in July, 2015, by the Lower Mississippi-Gulf Water Science Center of the U.S. Geological Survey (USGS) using...
Search relevance: 48.60 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 10:45 PM -
A bathymetric survey of Norfork Lake, Arkansas-Missouri, was conducted in September-October, 2015, by the Lower Mississippi-Gulf Water Science Center of the U.S. Geological Survey (USGS) using...
Search relevance: 48.09 | Views last month: 8 | Catalog Last Checked: September 10, 2026 at 10:42 PM -
The elevation contours in this dataset have a 2-foot (ft) interval and were derived from a digital elevation model (DEM) of beach topography and nearshore bathymetry of Lake Superior at Minnesota...
Search relevance: 47.93 | Views last month: 4 | Catalog Last Checked: September 10, 2026 at 09:49 PM -
The elevation contours in this dataset have a 2-foot (ft) interval and were derived from a digital elevation model (DEM) of beach topography and nearshore bathymetry of Lake Superior at Minnesota...
Search relevance: 47.01 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 08:25 PM
