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A first contoured map of the Astoria Canyon complex off the entrance to theColumbia River

Description

A first contoured map of the Astoria Canyon complex off the entrance to theColumbia River. In: Francis P. Shepard, Submarine Valleys.The Geographical Review, Volume XXIII, 1933, p. 86.

Photographer

Archival Photography by Steve Nicklas

Collection

Voyage to Inner Space

NOAA Affiliation

NOS