Found 43 datasets matching filters. (clear all 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. These data map hub - corridor - and gap elements within the green infrastructure. The Green Infrastructure...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: May 14, 2026 at 11:55 PM -
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. This data layer contains the Province-level physiographic subdivisions of Maryland in ArcGIS format. The...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: August 02, 2025 at 04:08 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. This file of geologic unit polygons is for educational use. There are known errors and omissions. The...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: August 02, 2025 at 04:09 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. 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 layer. Find more information at http://imap.maryland.gov. These data provide restoration value rankings and ecological attributes associated with green...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: August 02, 2025 at 04:25 AM -
This is a MD iMAP hosted service. Find more information at http://imap.maryland.gov. These are shoal boundaries off the coast of Maryland created by the Maryland Geological Survey (MGS). No...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: August 02, 2025 at 04:27 AM -
This is a MD iMAP hosted service. Find more information on http://imap.maryland.gov. This map service contains the index grids for the historic color infrared and panchromatic digital orthophoto...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: May 14, 2026 at 11:56 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: 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. This data layer is a compilation of the MUPOLYGON feature class - muaggatt table and component table of...
Search relevance: 1.00 | Views last month: 1 | 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. 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 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: 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. These data map hub - corridor - and gap elements within the green infrastructure. The Green Infrastructure...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: May 14, 2026 at 11:55 PM -
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. Bathymetry for Chesapeake Bay and Coastal Bays was derived from two hundred ninety-seven surveys...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: August 02, 2025 at 04:14 AM -
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. These data map hub and corridor elements within the green infrastructure. The Green Infrastructure...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: August 02, 2025 at 04:05 AM
