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You searched for: Subject Inland Waters Remove constraint Subject: Inland Waters Place Maryland, United States Remove constraint Place: Maryland, United States
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Carroll County GIS Open Data

2016-2019. Enterprise GIS Division. Carroll County Government's GIS Open Data site for exploring thematic topics covered and downloading GIS datasets. Datasets available include addr...

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Choptank River Heritage Access

2011. Choptank River Heritage Center (CRHC). Public landings and other river access points to the Choptank River and its tributaries, on Maryland's Eastern Shore.

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Choptank River Heritage Watershed

2010. USDA-NRCS, 1221 College Park Drive, Suite 100, Dover, DE 19904. Shows watershed of the Choptank River and its tributaries, on Maryland's Eastern Shore.

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Floodplain - Effective Fema Floodplain: Maryland

2016. ArcGIS Online for Maryland. This is a MD iMAP hosted service. Find more information at http://imap.maryland.gov.The Effective Floodplain layer represents the official regulato...

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Floodplain - Preliminary Fema Floodplain: Maryland

2016. ArcGIS Online for Maryland. This is a MD iMAP hosted service. Find more information at http://imap.maryland.gov.This layer offers the anticipated floodplain boundaries however...

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Floodplain: Harford County, Maryland

Harford County Government. The regulatory 100-year floodplain is an area mapped by the Federal Emergency Management Agency based upon the probability of that area flooding fr...

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Gauges - Stream Gauge Locations: Maryland

2016. ArcGIS Online for Maryland. This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov.AHPS Shapefile - Observations - a shapefile of river and ...

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Gauges - Tide Gauge Locations: Maryland

2016. ArcGIS Online for Maryland. This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov.This data layer shows the locations of NOAA tide gauges i...

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Hydrographic Areas: Montgomery County, Maryland

Montgomery County Planning Department of the Maryland National Capital Park and Planning Commission. The data set contains hydrographic features as identified from the development of planimetric mapping from aerial photography as part of the GeoMaP...

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Hydrographic Features: Montgomery County, Maryland

Montgomery County Planning Department of the Maryland National Capital Park and Planning Commission. This is a geodatabase of Hydrographic Features: Montgomery County, Maryland.

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Hydrographic Lines: Montgomery County, Maryland

Montgomery County Planning Department of the Maryland National Capital Park and Planning Commission. The data set contains hydrographic features as identified from the development of planimetric mapping from aerial photography as part of the GeoMaP...

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Hydrography, Area Features: Montgomery County, Maryland, 2015

2015. Montgomery County Planning Department of the Maryland National Capital Park and Planning Commission. This is a feature class in the geodatabase Planimetric Mapping Features: Montgomery County, Maryland, 2015. The data set contains hydrographic feat...

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Hydrography, Edge Features: Montgomery County, Maryland, 2015

2015. Montgomery County Planning Department of the Maryland National Capital Park and Planning Commission. This is a feature class in the geodatabase Planimetric Mapping Features: Montgomery County, Maryland, 2015. The data set contains hydrographic feat...

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Hydrology Lines: Baltimore County, Maryland

Baltimore County Web Map Portal. Feature class contains all hydrology lines for Baltimore County. Lines were compiled from aerial photography.

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Major Drainage Basins: Baltimore, Maryland

Enterprise Geographic Information Services. Polygon feature representing the major drainage basins within Baltimore City. Last Updated 2008.

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Montgomery County GIS Open Data

2009-2019. Technology Services, GIS Services. This is the Montgomery County Government GIS Open Data Website used for exploring and downloading public GIS Open Datasets. Available datasets incl...

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National Hydrography Dataset (NHD) Flowline: Potomac

2004. United States Geological Survey (USGS)U.S. Environmental Protection Agency. The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that m...