Digital Library Search
Description
The Aleutian Trench compiled by Harold W. Murray of the Coast and Geodetic Survey and published in the Bulletin of the Geological Society of America, Vol. 56, p. 757-782, Plate I. Soundings for making these profiles wereacquired between 1925 and 1939 by following systematic tracklines from the U. S.West Coast to the Aleutians for hydrographic surveying operations. (Image credit: Archival Photography by Steve Nicklas)