
The Columbia River serves as the central artery in this 1975 orthophotograph, marking the boundary between Washington and Oregon. This specialized survey, produced in cooperation with the U. S. Corps of Engineers, provides a photographic record of mid-1970s land use. On the northern bank, Camas sits at a bend in the river, showing the industrial and residential footprint of the era. South of the water, the transition from agricultural fields to the suburban expansion of Rockwood and the edge of Gresham is clearly visible. The imagery captures the specific geometry of the mid-century landscape, from the braided channels and islands of the river to the evolving grid of modern residential developments and industrial sites that were reshaping the region during this period of growth.
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This is the sole edition of this map. No revisions or reprints were ever made.
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