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You searched for: Place United States of America Remove constraint Place: United States of America Time Period 2000-2004 Remove constraint Time Period: 2000-2004
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1.
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Appalachian National Scenic Trail - Centerline: Pennsylvania penn-state

2001. Appalachian Trail Conference and National Park Service Appalachian Trail Park Office and National Park Service. This data set represents the most current depiction of the Appalachian National Scenic Trail centerline. Locational information used to create this...

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Ecoregions United States (Bailey) penn-state

2004. U S Department of Agriculture. This map layer is commonly called Bailey's ecoregions and shows ecosystems of regional extent in the United States, Puerto Rico, and the U.S. Virgi...

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Ecoregions United States (Omernik) penn-state

2003. U S Environmental Protection Agency. This map layer shows Omernik's Level III ecoregions, derived from a 1:7,500,000 map created by J.M. Omernik in 1987 and from refinements of Omernik...

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National Flood Hazard Layer: Pike County, Pennsylvania penn-state

2000. Federal Emergency Management Agency. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...

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National Hydrography Dataset (NHD) Flowline: Allegheny penn-state

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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National Hydrography Dataset (NHD) Flowline: Delaware penn-state

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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National Hydrography Dataset (NHD) Flowline: Monongahela penn-state

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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National Hydrography Dataset (NHD) Waterbody: Allegheny penn-state

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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National Hydrography Dataset (NHD) Waterbody: Monongahela penn-state

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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National Hydrography Dataset (NHD) Waterbody: Potomac penn-state

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...