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Layered geospatial PDF 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features. This map is derived from GIS (geospatial information system) data. It represents a repackaging of GIS data in traditional map form, not creation of new information. The geospatial data in this map are from selected National Map data holdings and other government sources.
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Layered geospatial PDF 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features. This map is derived from GIS (geospatial information system) data. It represents a repackaging of GIS data in traditional map form, not creation of new information. The geospatial data in this map are from selected National Map data holdings and other government sources.
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Layered geospatial PDF 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features. This map is derived from GIS (geospatial information system) data. It represents a repackaging of GIS data in traditional map form, not creation of new information. The geospatial data in this map are from selected National Map data holdings and other government sources.
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A three-dimensional groundwater-flow model (MODFLOW-2000 ) of the Kirkwood-Cohansey aquifer system, Rio Grande water-bearing zone, and Atlantic City 800-foot sand in the Great Egg Harbor and Mullica River Basins, N.J. was developed to simulate the effects of withdrawals on streamflow and groundwater supply. Increasing groundwater withdrawals from the unconfined Kirkwood Cohansey aquifer system is a major concern because of the potential for streamflow depletion and the resulting ecological effects on aquatic habitats, wetlands, and vernal ponds. In the confined Atlantic City 800-foot sand aquifer water levels have been steadily declining and most of the groundwater withdrawn from the Atlantic City 800-foot sand...
map background search result map search result map USGS Topo Map Vector Data (Vector) 18527 Gressitt VA (published 20221019) Shapefile USGS Topo Map Vector Data (Vector) 39538 Saluda VA (published 20221019) FileGDB USGS US Topo 7.5-minute map for Marcus Hook, PA,DE,NJ 2019 MODFLOW-2000 model used to evaluate alternative withdrawal strategies on groundwater flow in the unconfined Kirkwood-Cohansey aquifer system, the Rio Grande water-bearing zone, and the Atlantic City 800-foot sand in the Great Egg Harbor and Mullica River Basins, New Jersey USGS Topo Map Vector Data (Vector) 31823 New Point Comfort VA (published 20221019) GeoPackage USGS Topo Map Vector Data (Vector) 40708 Shacklefords VA (published 20221019) GeoPackage US Topo 7.5-minute map for Williamstown, NJ US Topo 7.5-minute map for Buena, NJ USGS Topo Map Vector Data (Vector) 18527 Gressitt VA (published 20221019) Shapefile USGS Topo Map Vector Data (Vector) 39538 Saluda VA (published 20221019) FileGDB USGS US Topo 7.5-minute map for Marcus Hook, PA,DE,NJ 2019 USGS Topo Map Vector Data (Vector) 31823 New Point Comfort VA (published 20221019) GeoPackage USGS Topo Map Vector Data (Vector) 40708 Shacklefords VA (published 20221019) GeoPackage US Topo 7.5-minute map for Williamstown, NJ US Topo 7.5-minute map for Buena, NJ MODFLOW-2000 model used to evaluate alternative withdrawal strategies on groundwater flow in the unconfined Kirkwood-Cohansey aquifer system, the Rio Grande water-bearing zone, and the Atlantic City 800-foot sand in the Great Egg Harbor and Mullica River Basins, New Jersey