Search datasets
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This data set contains land surface elevations on dry and wadeable portions of transects for pre-construction hydrographic surveys on the Missouri River below Gavins Point Dam for the Emergent...
Search relevance: 1.00 | Views last month: 31 | Catalog Last Checked: August 03, 2026 at 04:22 PM -
These data are the trackline from the high-resolution acoustic backscatter measurements of the seafloor from Boston Harbor and the harbor approaches, Massachusetts. Approximately 170 km² of...
Search relevance: 1.00 | Views last month: 14 | Catalog Last Checked: August 01, 2026 at 05:31 AM -
These data are high-resolution bathymetric measurements of the seafloor from Boston Harbor and the harbor approaches, Massachusetts. Approximately 170 km² of sidescan sonar and bathymetric data...
Search relevance: 1.00 | Views last month: 10 | Catalog Last Checked: August 01, 2026 at 03:26 AM -
These data are high-resolution bathymetric measurements of the seafloor from Boston Harbor and the harbor approaches, Massachusetts. Approximately 170 km² of sidescan sonar and bathymetric data...
Search relevance: 1.00 | Views last month: 10 | Catalog Last Checked: August 01, 2026 at 05:12 AM -
This data is a qualitatively-derived interpretative polygon shapefile defining the bottom types of the seafloor from Boston Harbor and the harbor approaches, Massachusetts. Approximately 170 km...
Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: August 01, 2026 at 03:54 AM -
These data are high-resolution acoustic backscatter measurements of the seafloor from Boston Harbor and the harbor approaches, Massachusetts. Approximately 170 km² of sidescan sonar data were...
Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: August 01, 2026 at 05:39 AM -
This data set contains land surface elevations on dry and wadeable portions of transects for the hydrographic surveys on the Missouri River below Gavins Point Dam near River Mile 769.8. This...
Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: August 03, 2026 at 04:07 PM -
Submarine groundwater discharge (SGD) into Maryland's Corsica River Estuary was investigated as part of a larger study to determine the importance of nutrient delivery to Chesapeake Bay via this...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: August 01, 2026 at 05:40 AM -
This data set contains land surface elevations on dry and wadeable portions of transects for the hydrographic surveys on the Missouri River below Gavins Point Dam near River Mile 761.4. This...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: August 03, 2026 at 03:25 PM -
This geospatial data set contains an interpolated 3-D surface or, triangulated-irregular network (TIN), of the change in elevation, in feet, of the substrate between cross-sections 22 and 35...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: August 03, 2026 at 04:15 PM -
The U.S. Geological Survey, in cooperation with The Central Nebraska Public Power and Irrigation District (CNPPD), conducted a study that used bathymetric and topographic surveying in...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: August 01, 2026 at 04:52 AM -
This geospatial data set contains an interpolated 3-D surface or, triangulated-irregular network (TIN), of the substrate surface between cross-sections 22 and 35 following construction of...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: August 03, 2026 at 03:46 PM -
This geospatial data set contains the points collected by the echosounder on transects in the upstream project reach surrounding the construction area at River Mile 770.0 below Gavins Point Dam...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: August 03, 2026 at 04:14 PM -
This data set includes the locations and hotlinks to photographs of the seafloor in Boston Harbor and the harbor approaches, Massachusetts. The photos were taken using the mini-SEABOSS system...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: August 01, 2026 at 05:34 AM -
This data set contains land surface elevations on dry and wadeable portions of transects for the hydrographic surveys on the Missouri River below Gavins Point Dam near River Mile 769.8. This...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: August 03, 2026 at 03:44 PM -
This geospatial data set contains an interpolated 3-D surface or, triangulated-irregular network (TIN), of the substrate surface between cross-sections 23 and 39 following construction of...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: August 03, 2026 at 04:14 PM -
An Innerspace 456 single-beam echosounder in conjunction with a Trimble® differential Global Positioning System (DGPS), HYPACK® navigation software, and Ashtech Z-Xtreme and Trimble® R8 Global...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: August 01, 2026 at 06:05 AM -
This geospatial data set contains an interpolated 3-D surface or, triangulated-irregular network (TIN), of the change in elevation, in feet, of the substrate between cross-sections 23 and 39...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: August 01, 2026 at 05:08 AM -
These data are the trackline from the seafloor photograph and video survey conducted September 2004 using the mini-SeaBOSS sampling system on the R/V Rafael in Boston Harbor and the harbor...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: August 01, 2026 at 06:08 AM -
This geospatial data set contains the points collected by the echosounder on transects in the upstream project reach surrounding the construction area at River Mile 769.8 below Gavins Point Dam...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: August 03, 2026 at 03:27 PM
