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Found 17 datasets matching filters. (clear all filters)

  • #1 State

    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
  • #2 State

    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
  • #3 State

    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
  • #4 State

    Hydrologic unit boundaries define the aerial extent of surface water drainage to a point. Hydrologic units through four levels were created in the 1970's and have been used extensively throughout...

    Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: July 07, 2026 at 08:12 PM
  • #5 State

    The Maryland coastal zone is comprised of the land, water and subaqueous land between the territorial limits of Maryland in the Chesapeake Bay, Atlantic Coastal Bays and the Atlantic Ocean, as...

    Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: July 07, 2026 at 08:11 PM
  • #6 State

    This file (SWSUB8) is a statewide digital watershed file. It depicts the State with 138 separate watersheds each with an 8-digit numeric code. The file was created primarily for State and Federal...

    Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: July 07, 2026 at 08:12 PM
  • #7 State

    Chesapeake Bay Watershed Outline. Defines extent of the Chesapeake Bay watershed within the state of Maryland.

    Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: July 07, 2026 at 08:10 PM
  • #8 State

    This file (SWSUB8) is a statewide digital watershed file. It depicts the State with 138 separate watersheds each with an 8-digit numeric code. The file was created primarily for State and Federal...

    Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: July 07, 2026 at 08:09 PM
  • #9 State

    Maryland Tributary Teams-comprised of local citizens, farmers, business leaders and government officials appointed by the Governor-are working to keep local waterways clean and healthy....

    Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: July 07, 2026 at 08:13 PM
  • #10 State

    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
  • #11 State

    Chesapeake Bay Watershed Outline. Defines extent of the Chesapeake Bay watershed within the state of Maryland.

    Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: July 07, 2026 at 08:10 PM
  • #12 State

    This file (SWSHED12) is a statewide digital watershed file. It was created primarily for state and federal agency use. The watersheds define Strahler (Strahler 1952 p. 1120) third order stream...

    Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: July 07, 2026 at 08:10 PM
  • #13 State

    This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. Chesapeake Bay Watershed Outline. Defines extent of the Chesapeake Bay watershed within the state of...

    Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: August 02, 2025 at 04:24 AM
  • #14 State

    The Maryland coastal zone is comprised of the land, water and subaqueous land between the territorial limits of Maryland in the Chesapeake Bay, Atlantic Coastal Bays and the Atlantic Ocean, as...

    Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: July 07, 2026 at 08:11 PM
  • #15 State

    This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. The Maryland coastal zone is comprised of the land - water and subaqueous land between the territorial...

    Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: August 02, 2025 at 04:07 AM
  • #16 State

    Maryland Tributary Teams-comprised of local citizens, farmers, business leaders and government officials appointed by the Governor-are working to keep local waterways clean and healthy....

    Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: July 07, 2026 at 08:12 PM
  • #17 State

    Hydrologic unit boundaries define the aerial extent of surface water drainage to a point. Hydrologic units through four levels were created in the 1970's and have been used extensively throughout...

    Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: July 07, 2026 at 08:11 PM

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