Infrared map : Portland / Multnomah / Clackamas area including Mt Hood, Willamette and Columbia Rivers

Wednesday, September 3, 1975

A2011-006

APF/19001

Infrared aerial images including the city of Portland, Mt Hood, Columbia river and Willamette river.

City Auditor - Archives & Records Management - City Collections - Public Works Administration (Archival) - Public Works Administrator - Photographs

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