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You searched for: Subject Inland Waters Remove constraint Subject: Inland Waters Dct Is Part Of Sm State Agencies Geospatial Data Remove constraint Dct Is Part Of Sm: State Agencies Geospatial Data Place Maryland, United States Remove constraint Place: Maryland, United States
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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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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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Maryland Water Quality - Tier II Catchments 2016

ArcGIS Online for Maryland. This dataset provides the Tier II catchments delineated for the most downstream Tier II segment. This file also provides the assimilative capacity ...

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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...

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Waterbodies - Lakes (Detailed): Maryland

2016. ArcGIS Online for Maryland. This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov.Although the State of Maryland has no natural lakes, it h...