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Studies of longitudinal stream profiles in Virginia and Maryland / by John T. Hack.

By: Hack, John Tilton, 1913-1991.
Material type: materialTypeLabelBookSeries: Geological Survey Professional Paper; 294-B.Publisher: Washington : United States Government Printing Office, 1957Description: 97 p. + 1 map. --.Content type: Texto (visual) Media type: sin mediación Subject(s): Maryland | Ríos | Virginia
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