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National Hydrography Dataset (NHD) - USGS National Map Downloadable Data Collection
The USGS National Hydrography Dataset (NHD) Downloadable Data Collection from The National Map (TNM) is a comprehensive set of digital spatial data that encodes information... -
Great Smoky Mountains National Park Fish Distribution 2018
Stream acidification is an increasingly serious threat to the survival of brook trout. Streams in GRSM naturally become more acidic at higher elevations. However, research shows... -
National Hydrography Dataset (NHD) - USGS National Map Downloadable Data Collection
The USGS National Hydrography Dataset (NHD) Downloadable Data Collection from The National Map (TNM) is a comprehensive set of digital spatial data that encodes information... -
Hydrography High Resolution, 1:24,000, Northeast
Hydrography represents stream centerlines and off centerlines with greater than 30 hectare flow accumulation for the Northeast region. This dataset was developed as part of the... -
Hydrography High Resolution, 1:24,000, Northeast
Hydrography represents stream centerlines and off centerlines with greater than 30 hectare flow accumulation for the Northeast region. This dataset was developed as part of the... -
Saginaw Bay Restoration Assessment Degree Flowlines (2016)
This represents the flowline network in Sagina Bay Restoration Assessment (SBRA). It is attributed with the number of disconnections between the reach and the connecting river...