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These data are high-resolution bathymetry (lake bottom elevation) in a gridded XYZ format, generated from hydrographic surveys of Morse and Geist Reservoirs in April and May of 2016. Hydrographic data were collected using a multibeam echo-sounder (MBES) with integrated inertial navigation solution (INS) mounted on a marine survey vessel. Data were collected as the vessel traversed the lake along survey lines distributed throughout the area. Data collection software integrated and stored the depth data from the multibeam sonar and the horizontal and vertical position and attitude data of the vessel from the INS in real time. In the shallow areas, additional data were collected with an acoustic Doppler current profiler...
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These data are high-resolution bathymetry (lake bottom elevation) in a gridded XYZ format, generated from hydrographic surveys of Morse Reservoir in May 2016. Hydrographic data were collected using a multibeam echo-sounder (MBES) with integrated inertial navigation solution (INS) mounted on a marine survey vessel. Data were collected as the vessel traversed the lake along survey lines distributed throughout the area. Data collection software integrated and stored the depth data from the multibeam sonar and the horizontal and vertical position and attitude data of the vessel from the INS in real time. In the shallow areas, additional data were collected with an acoustic Doppler current profiler (ADCP) and a real-time...
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The U.S. Geological Survey, in cooperation with the Savannah Valley Utility District, evaluated the groundwater hydrology of the Valley and Ridge carbonate aquifer system of Cambrian-Ordovician age in the area of Savannah and Gunstocker Creeks in northeastern Hamilton, southern Meigs, and northwestern Bradley Counties, Tennessee, from 2007 through 2009. The evaluation included and built on: 1) the results of test drilling conducted in the area in 1974 to determine the potential for groundwater as a source of public supply for the utility, and 2) the results of an investigation conducted to define recharge areas for wells used by groundwater-source public-supply water systems throughout Hamilton County in the early...
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These vector contour lines are derived from the 3D Elevation Program using automated and semi-automated processes. They were created to support 1:24,000-scale CONUS and Hawaii, 1:25,000-scale Alaska, and 1:20,000-scale Puerto Rico / US Virgin Island topographic map products, but are also published in this GIS vector format. Contour intervals are assigned by 7.5-minute quadrangle, so this vector dataset is not visually seamless across quadrangle boundaries. The vector lines have elevation attributes (in feet above mean sea level on NAVD88), but this dataset does not carry line symbols or annotation.
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These vector contour lines are derived from the 3D Elevation Program using automated and semi-automated processes. They were created to support 1:24,000-scale CONUS and Hawaii, 1:25,000-scale Alaska, and 1:20,000-scale Puerto Rico / US Virgin Island topographic map products, but are also published in this GIS vector format. Contour intervals are assigned by 7.5-minute quadrangle, so this vector dataset is not visually seamless across quadrangle boundaries. The vector lines have elevation attributes (in feet above mean sea level on NAVD88), but this dataset does not carry line symbols or annotation.


map background search result map search result map TL1075 Anabolia dor post USGS Topo Map Vector Data (Vector) 20770 Holly NE, Colorado 20220512 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 20770 Holly NE, Colorado 20220512 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 13141 Durkee Creek SE, Colorado 20220512 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 13768 Eidson Lake TX (published 20220822) FileGDB USGS Topo Map Vector Data (Vector) 19082 Hamilton East TX (published 20220822) Shapefile USGS Topo Map Vector Data (Vector) 5911 Buckeye West, Iowa 20220429 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 6360 Burnt Prairie, Illinois 20210629 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 11188 Dahlgren, Illinois 20210628 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 14376 Enfield, Illinois 20210629 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 40518 Selkirk SW, Kansas 20220501 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 14154 Ellsworth, Iowa 20220429 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 8926 Clarks, Nebraska 20210714 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 12529 Doniphan, Nebraska 20210715 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 17970 Grand Island, Nebraska 20210715 for 7.5 x 7.5 minute FileGDB 10.1 USGS NED 1/3 arc-second Contours for Scott City W, Kansas 20220428 1 X 1 degree FileGDB 10.1 USGS NED 1/3 arc-second Contours for Abilene E, Texas 20220819 1 x 1 degree FileGDB Bathymetry of Morse and Geist Reservoirs in central Indiana, 2016 Bathymetry of Morse Reservoir near Noblesville, Indiana, 2016 Geospatial data for groundwater potentiometric-surface maps in northeastern Hamilton, southern Meigs, and northwestern Bradley Counties, Tennessee, fall 1992, spring and fall 1993, summer 2008, and spring 2009 USGS Topo Map Vector Data (Vector) 20770 Holly NE, Colorado 20220512 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 20770 Holly NE, Colorado 20220512 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 13141 Durkee Creek SE, Colorado 20220512 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 13768 Eidson Lake TX (published 20220822) FileGDB USGS Topo Map Vector Data (Vector) 19082 Hamilton East TX (published 20220822) Shapefile USGS Topo Map Vector Data (Vector) 5911 Buckeye West, Iowa 20220429 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 6360 Burnt Prairie, Illinois 20210629 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 11188 Dahlgren, Illinois 20210628 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 14376 Enfield, Illinois 20210629 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 40518 Selkirk SW, Kansas 20220501 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 14154 Ellsworth, Iowa 20220429 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 8926 Clarks, Nebraska 20210714 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 12529 Doniphan, Nebraska 20210715 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 17970 Grand Island, Nebraska 20210715 for 7.5 x 7.5 minute FileGDB 10.1 Bathymetry of Morse and Geist Reservoirs in central Indiana, 2016 Geospatial data for groundwater potentiometric-surface maps in northeastern Hamilton, southern Meigs, and northwestern Bradley Counties, Tennessee, fall 1992, spring and fall 1993, summer 2008, and spring 2009 USGS NED 1/3 arc-second Contours for Scott City W, Kansas 20220428 1 X 1 degree FileGDB 10.1 USGS NED 1/3 arc-second Contours for Abilene E, Texas 20220819 1 x 1 degree FileGDB