Alaska Geospatial Data Clearinghouse

US Geological Survey                                                             US Fish &Wildlife Service

Arctic National Wildlife Refuge (ANWR)
EARTH AND BIOLOGICAL SCIENCE-DATA WEBSITE

HYDROGRAPHY

Area: Arctic National Wildlife Refuge Coastal Plain

Scale: 1:63360

Source: USGS Digital Line Graph (DLG) - Composite

Digital vector data in ARC/INFO format depicting lakes, rivers, streams, and wetland features of composited 1:63360 USGS topographic maps of the region. The individual DLGs used in this composite included: Barter Island A3-A5; Flaxman Island A1, A3, A4; Demarcation Pt A1-A5, B1-B5, C1-C5, D2-D5; and Mt Michelson A1-A4, B1-B5, C1-C5, D1-D5. This concatenated coverage does not have polygon topology because adjacent DLGs do not adequately edge-match.

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