Found 50 datasets matching filters.
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This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. This file (SWSHED12) is a statewide digital watershed file. It was created primarily for state and...
Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: August 02, 2025 at 04:55 AM -
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. Hydrologic unit boundaries define the aerial extent of surface water drainage to a point. Hydrologic...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: August 02, 2025 at 04:31 AM -
This is a MD iMAP hosted service. Find more information on http://imap.maryland.gov. The MD_Surface_Waters Feature Dataset includes 7 feature classes that geospatially depict the surface water...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: August 02, 2025 at 04:22 AM -
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. This file (SWSUB8) is a statewide digital watershed file. It depicts the State with 138 separate...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: August 02, 2025 at 04:00 AM -
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. To quantify rates of change (erosion or accretion) along coastal and estuarine shorelines in Maryland - ...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: August 02, 2025 at 03:50 AM -
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. The Maryland Department of Natural resources began updating the National Wetlands Inventory (NWI) mapping...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: August 02, 2025 at 05:07 AM -
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: 2 | Catalog Last Checked: August 02, 2025 at 04:39 AM -
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. The digital segmented network based on watershed boundaries - ERF1-2 - includes enhancements to the...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: August 02, 2025 at 04:52 AM -
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. Line features of rivers and streams (detailed shape) in Maryland. Last Updated: Feature Service Layer...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: August 02, 2025 at 04:46 AM -
This is a MD iMAP hosted service. Find more information on http://imap.maryland.gov. The MD_Surface_Waters Feature Dataset includes 7 feature classes that geospatially depict the surface water...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: August 02, 2025 at 04:51 AM -
This is a MD iMAP hosted service. Find more information on http://imap.maryland.gov. The MD_Surface_Waters Feature Dataset includes 7 feature classes that geospatially depict the surface water...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: August 02, 2025 at 05:06 AM -
This is a MD iMAP hosted service. Find more information at http://imap.maryland.gov. Shoreline Situation Reports (SSR) is intended to assist planners - managers - and regulators in decisions...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: August 02, 2025 at 05:17 AM -
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. In Maryland certain wetlands with rare - threatened - endangered species or unique habitat receive...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: August 02, 2025 at 04:36 AM -
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. This data set represents the extent - approximate location and type of wetlands and deepwater habitats...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: August 02, 2025 at 04:45 AM -
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. AHPS Shapefile - Observations - a shapefile of river and lake observeration locations in Maryland....
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: August 02, 2025 at 04:50 AM -
This is a MD iMAP hosted service. Find more information on http://imap.maryland.gov. The MD_Surface_Waters Feature Dataset includes 7 feature classes that geospatially depict the surface water...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: August 02, 2025 at 04:24 AM -
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: 1 | Catalog Last Checked: August 02, 2025 at 04:01 AM -
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. Maryland Tributary Teams-comprised of local citizens - farmers - business leaders and government...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: August 02, 2025 at 04:35 AM -
This is a MD iMAP hosted service. Find more information at http://imap.maryland.gov. Shoreline Situation Reports (SSR) is intended to assist planners - managers - and regulators in decisions...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: August 02, 2025 at 05:13 AM -
This is a MD iMAP hosted service. Find more information on http://imap.maryland.gov. The DFIRM Database presents the flood risk information depicted on a given Flood Insurance Rate Map (FIRM) in a...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: August 02, 2025 at 05:09 AM
