Search results for hydrologic maps
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321 datasets for “hydrologic maps”
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Waterlines
data.bloomington.in.govUpdated 15 Dec 2023
This map data layer represents area hydrology waterbody features for the City of Bloomington, Indiana. This includes lakes …
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Waterbodies
data.bloomington.in.govUpdated 15 Dec 2023
This map data layer represents the linear hydrology features for the City of Bloomington, Indiana. This includes creeks …
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- SODA API
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Footprint
opendata.maryland.govUpdated 21 Jul 2025
… https://mdgeodata.md.gov/imap/rest/services/Hydrology/MD_WetlandMaps1972/MapServer/2
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County Boundaries - Detailed
opendata.maryland.govUpdated 22 Jul 2025
… boundaries and the National Hydrology Data (NHD). Land boundaries are a key geographic featue in our mapping process.
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Boundary
opendata.maryland.govUpdated 21 Jul 2025
… https://mdgeodata.md.gov/imap/rest/services/Hydrology/MD_WetlandMaps1972/MapServer/1
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Non permanent streams
The City of CalgaryUpdated 20 Jul 2018
This digital data set identifies, maps, and classifies ephemeral and intermittent streams in Calgary. This data set is …
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- Data.gov Catalog
Waterbodies
data.bloomington.in.govUpdated 1 Apr 2025
This map data layer represents the linear hydrology features for the City of Bloomington, Indiana. This includes creeks …
- JSON
- XML
- CSV
- VND.GOOGLE-EARTH.KML+XML
- VND.GOOGLE-EARTH.KMZ
- GEO+JSON
- data.gov.ie
National Soils Hydrology Map
Marine InstituteUpdated 13 Nov 2026
This map shows drainage classes of soils across Ireland based on examination of the soil profile. Organic soils …
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Preliminary FEMA Floodplain
MDEUpdated 29 Jul 2025
… Changes to the Preliminary boundaries may occur before official map adoption. Use this layer with caution. The effective …
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Wetlands - Linear - Department of Natural Resources
opendata.maryland.govUpdated 22 Jul 2025
The Maryland Department of Natural resources began updating the National Wetlands Inventory (NWI) mapping of wetlands in Maryland …
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Wetlands - Polygon - Department of Natural Resources
opendata.maryland.govUpdated 22 Jul 2025
The Maryland Department of Natural resources began updating the National Wetlands Inventory (NWI) mapping of wetlands in Maryland …
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Federal Watersheds - HUC 11
opendata.maryland.govUpdated 21 Jul 2025
… Geological Survey (USGS) developed a hierarchical hydrologic unit code (HUC) for Hydrologic unit boundaries define the aerial extent …
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Federal Watersheds - HUC 11
opendata.maryland.govUpdated 22 Jul 2025
… Geological Survey (USGS) developed a hierarchical hydrologic unit code (HUC) for Hydrologic unit boundaries define the aerial extent …
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- SODA API
- Data.gov Catalog
Watershed Boundary Dataset (WBD) (2 through 12-digit hydrologic unit)
State of OregonUpdated 1 May 2024
… This file contains Hydrologic Unit (HU) polygon boundaries for the United States, Puerto Rico, and the U.S …
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Historic Structures
internal.open.piercecountywa.govUpdated 5 Jul 2024
… Artifacts georeferenced the historic maps using township/range locations and Pierce County's base roads, hydrology and railway …
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8 Digit Watersheds
opendata.maryland.govUpdated 22 Jul 2025
… This file is similar, but not identical, to the US Natural Resources Conservation Service's (NRCS) Hydrologic Unit …
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8 Digit Watersheds
opendata.maryland.govUpdated 21 Jul 2025
… This file is similar, but not identical, to the US Natural Resources Conservation Service's (NRCS) Hydrologic Unit …
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1:1000 Flood Map (0.1% chance of occurring in any year)
The City of CalgaryUpdated 9 Jun 2023
… The new draft maps can be viewed here: https://floods.alberta.ca/?app_code=FI&mapType=Draft) These …
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Wetlands - National Wetlands Inventory
opendata.maryland.govUpdated 1 May 2026
… Certain wetland habitats are excluded from the National mapping program because of the limitations of aerial imagery as …
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Drainage Pipe
City of Austin, Texas - data.austintexas.govUpdated 14 Nov 2026
… for several purposes: - Hydraulic/hydrologic modeling input - Work Order Management System integration - Map book production - Mobile redlining/correction …
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- SODA API