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Orthophotograph of the Columbia River between Portland and The Dalles, Oregon, acquired in 1935

February 21, 2024

This data release consists of high quality georeferenced orthophoto mosaics of a 160 kilometer long portion of the Columbia River between Portland and The Dalles, Oregon created from aerial photographs collected in 1935 by the U.S. Army Corps of Engineers. The dataset comprises three GeoTIFF files, each covering about 40-60 kilometers. This metadata document summarizes the entire data release. See attached metadata records for information on the individual mosaics.

Publication Year 2024
Title Orthophotograph of the Columbia River between Portland and The Dalles, Oregon, acquired in 1935
DOI 10.5066/P1ELGYBG
Authors Mark A Fonstad, James J Major, James T Dietrich, Gabriel W Gordon, Charles Cannon, James E O'connor
Product Type Data Release
Record Source USGS Digital Object Identifier Catalog
USGS Organization Geology, Minerals, Energy, and Geophysics Science Center