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Publisher
National Imagery and Mapping Agency
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Subject
Rivers
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Subject
Glaciers
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Institution
Harvard
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Place
Eastern Hemisphere
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Year
1992
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1. DCW Drainage Features, Lines
1992. This datalayer is a line coverage representing varous drainage feature types located throughout DCW (Digital Chart of the World) geographic coverag... National Imagery and Mapping Agency.
2. DCW Drainage Features, Polygons
1992. This datalayer is a polygon coverage representing drainage features located throughout DCW (Digital Chart of the World) geographic coverage as of 1... National Imagery and Mapping Agency.