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These data represent the results of data collection/processing for a specific Department of Natural Resources, Maryland Geological Survey activity and indicate general existing conditions. As...
Search relevance: 82.08 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 06:50 PM -
Bathymetric contours were generated from soundings collected by National Ocean Service vessels from ~1900 to ~1971. The 1:250,000 maps are available for U.S. coastal waters. Bathymetric contours...
Search relevance: 72.79 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 08:07 PM -
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. These data represent the results of data collection/processing for a specific Department of Natural...
Search relevance: 67.76 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 06:46 PM -
Bathymetric contours were generated from soundings collected during geophysical surveys conducted by the USGS from 1969 to 1982, and supplemented by data from other sources. The region covered by...
Search relevance: 59.48 | Views last month: 5 | Catalog Last Checked: September 10, 2026 at 08:43 PM -
GIS line coverage of depth contours (bathymetry) for the area shown in National Ocean Service (NOS) chart 11013, 39th Ed., 25 Apr 1992. Area covers South Florida, Cuba, and the Bahamas. Contours...
Search relevance: 44.82 | Views last month: 2 | Catalog Last Checked: October 26, 2026 at 07:21 PM -
Bathymetric contours were generated from soundings collected during surveys and cruises by the Hydrographic Office, National Ocean Survey, and Coast and Geodetic Survey. The region covered by the...
Search relevance: 43.98 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 10:11 PM -
Two bathymetric maps were developed by the U.S. Geological Survey, one for the Chukchi Sea and Arctic Ocean, and one for the Aleutian Trench and Bering Sea. The 2 maps overlap near the Bering...
Search relevance: 42.21 | Views last month: 12 | Catalog Last Checked: September 10, 2026 at 07:52 PM -
Bathymetry of Lakes Michigan, Erie, Saint Clair, Ontario and Huron has been compiled as a component of a NOAA project to rescue Great Lakes lake floor geological and geophysical data and make it...
Search relevance: 40.65 | Views last month: 3 | Catalog Last Checked: August 01, 2026 at 01:11 PM -
Bathymetry of Lake America (formerly Lake Ontario) has been compiled as a component of a NOAA project to rescue Great Lakes lake floor geological and geophysical data and make it more accessible...
Search relevance: 35.89 | Views last month: 7 | Catalog Last Checked: October 20, 2026 at 10:32 PM -
This data release contains data from the USGS field activity 2014-607-FA, a survey of the Oregon Outer Continental Shelf (OCS) Floating Wind Farm Site in 2014. The bathymetry raster was generated...
Search relevance: 33.36 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 07:49 PM -
NGDC's global ocean sediment thickness grid (Divins, 2003) has been updated for the Australian-Antarctic region (60° -155° E, 30° -70° S). New seismic reflection and refraction data have been used...
Search relevance: 32.79 | Views last month: 3 | Catalog Last Checked: August 01, 2026 at 12:46 PM -
Bathymetry of Lake Superior has been compiled as a component of a NOAA project to rescue Great Lakes lake floor geological and geophysical data and make it more accessible to the public. This...
Search relevance: 30.27 | Views last month: 5 | Catalog Last Checked: August 01, 2026 at 01:11 PM -
This data release provides a series of six bathymetric digital elevation models (DEMs) of San Pablo Bay, CA generated from single-beam hydrographic surveys collected from 1856 to 1983. The DEMs...
Search relevance: 28.72 | Views last month: 6 | Catalog Last Checked: September 10, 2026 at 08:18 PM -
This data release provides a series of five bathymetric digital elevation models (DEMs) of Suisun Bay, CA generated from single-beam hydrographic surveys collected from 1866 to 1990. The DEMs were...
Search relevance: 28.72 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 09:01 PM -
This data release provides a series of five bathymetric digital elevation models (DEMs) of central San Francisco Bay, CA generated from single-beam hydrographic surveys collected from 1855 to...
Search relevance: 28.72 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 09:08 PM -
This data release provides a series of six bathymetric digital elevation models (DEMs) of south San Francisco Bay, CA generated from single-beam hydrographic surveys collected from 1858 to 2005....
Search relevance: 28.70 | Views last month: 8 | Catalog Last Checked: September 10, 2026 at 10:06 PM -
Bathymetry of Lake Michigan has been compiled as a component of a NOAA project to rescue Great Lakes lake floor geological and geophysical data and make it more accessible to the public. The...
Search relevance: 26.99 | Views last month: 4 | Catalog Last Checked: August 01, 2026 at 12:56 PM -
Charlotte Harbor is America's 17th largest and Florida's second largest open water estuary. It has a broad barrier island chain, large parts of which are in public ownership; its mangrove...
Search relevance: 25.74 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 08:20 PM -
The Loxahatchee River and estuary is a small (544 square miles), shallow, water body located in Southeastern Florida that empties into the Atlantic Ocean at Jupiter Inlet. The watershed drains an...
Search relevance: 25.05 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 10:50 PM -
The bathymetric map of the northern Bering Sea region, plate 1 of USGS Professional Paper 759-B, 1976, was generated using published National Ocean Service maps and an unpublished map from Univ....
Search relevance: 24.02 | Views last month: 5 | Catalog Last Checked: September 10, 2026 at 10:39 PM
