Search datasets
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This dataset is a polygon coverage of counties limited to the extent of the Upper Freeport coal bed resource areas and attributed with statistics on the thickness of the Upper Freeport coal bed,...
Search relevance: 1.00 | Views last month: 14 | Catalog Last Checked: August 01, 2026 at 04:40 AM -
This dataset is a polygon coverage of counties limited to the extent of the Upper Freeport coal bed resource areas and attributed with original resources (millions of short tons) in aggregated...
Search relevance: 1.00 | Views last month: 12 | Catalog Last Checked: August 01, 2026 at 05:12 AM -
Pittsburgh Coal Bed Remaining Resources by County in Pennsylvania, Ohio, West Virginia, and Maryland
This dataset is a polygon coverage of counties limited to the extent of the Pittsburgh coal bed resource areas and attributed with remaining resource values in aggregated reporting categories as...
Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: August 01, 2026 at 03:40 AM -
The base of the Pittsburgh Coal bed and its stratigraphically (non-coal) equivalent horizon is used to subdivide Upper Pennsylvanian Series strata into the overlying Monongahela Group and the...
Search relevance: 1.00 | Views last month: 10 | Catalog Last Checked: August 01, 2026 at 03:40 AM -
This dataset is the digital compilation of geologic and resource maps provided mostly by State geologic surveys and depicts the projected area of occurrence of the Upper Freeport coal bed. The...
Search relevance: 1.00 | Views last month: 10 | Catalog Last Checked: August 01, 2026 at 05:06 AM -
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. Bathymetry for Chesapeake Bay was derived from two hundred ninety-seven surveys containing 3 - 178 - 509...
Search relevance: 1.00 | Views last month: 7 | Catalog Last Checked: August 02, 2026 at 11:10 PM -
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. Digital shoreline vectors derived from bromide or mylar copies of National Ocean Service T-sheets or...
Search relevance: 1.00 | Views last month: 7 | Catalog Last Checked: August 02, 2026 at 11:09 PM -
QuesterTangent’s SWATHVIEW seabed classification software was used to post-process the 410 kHz side scan sonar signal. This software analyzes the side scan sonar backscatter signal to produce a...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: August 11, 2026 at 09:34 PM -
Volumetric estimations for Fenwick, Weaver, & Isle of Wight shoals used vibracore data collected in 1992 & 1997, volumes were calculated in 2000 (Conkwright, Williams and Christiansen, 2000)....
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: August 11, 2026 at 09:35 PM -
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. In 2000 - the Maryland Geological Survey (MGS) was awarded a Coastal Zone Management grant to complete...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: August 02, 2026 at 11:06 PM -
Bottom classification based on ArcGIS 10.2 maximum likelihood raster classification, converted from raster to polygon. Data collected using QTC (Quester Tangent Corporation) bottom classification...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: August 11, 2026 at 09:34 PM -
This is a data table, in comma-delimited, ASCII format, which contains information about selected physical properties, particularly grain size, of 4,255 surficial sediment samples from the...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: August 11, 2026 at 09:33 PM -
QuesterTangent’s SWATHVIEW seabed classification software to post-process the 410 kHz side scan sonar signal. This software analyzes the side scan sonar backscatter signal to produce a...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: August 11, 2026 at 09:34 PM -
Ravinement features detected by observing basal reflectors in seismic records. Units are in meters. Data were collected jointly with the Delaware Geological Survey during August 1993. R/V...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: August 11, 2026 at 09:36 PM -
This dataset is a polygon coverage of counties limited to the extent of the Upper Freeport coal bed resource areas and attributed with remaining resources (millions of short tons) in aggregated...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: August 01, 2026 at 04:49 AM -
Ravinement features detected by observing basal reflectors in seismic records. Units are in meters. Data were collected jointly with the Delaware Geological Survey during August 1994. R/V...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: August 11, 2026 at 09:35 PM -
Volumetric estimations for Fenwick, Weaver, & Isle of Wight shoals used vibracore data collected in 1992 & 1997, volumes were calculated in 2000 (Conkwright, Williams and Christiansen, 2000)....
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: August 11, 2026 at 09:31 PM -
The field surveys were conducted for NOAA by SAIC on board M/V Atlantic Surveyor. Full reports and associated files are available for download at https://data.noaa.gov/dataset. Sheet H11649 was...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: August 11, 2026 at 09:35 PM -
QuesterTangent’s SWATHVIEW seabed classification software was used to post-process the 410 kHz side scan sonar signal. This software analyzes the side scan sonar backscatter signal to produce a...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: August 11, 2026 at 09:33 PM -
QuesterTangent’s SWATHVIEW seabed classification software to post-process the 410 kHz side scan sonar signal. This software analyzes the side scan sonar backscatter signal to produce a...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: August 11, 2026 at 09:33 PM
