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Oregon Historical County Records Guide

Multnomah County Records Inventory

Aerial Photographs

1956-1999

Series provides visual documentation of changes made to county lands through development and by natural and man-made disasters. The photographs are taken at intervals along a series of flight paths to attain coverage of all or part of a county. They generally include flight path or township, range, and section numbers; show natural and man-made features; and are produced in black and white or color prints to varying scales. An index by quadrant may also be included.

The Survey and Assessor Image Locator (SAIL) GIS mapping application includes searchable images of assessor maps, aerial photographs, survey records, subdivisions, condominiums, partitions, and government corner surveys. The information dates from circa 1851 to the present.

Records at the John B. Yeon Annex Building, Suite 116, Land Use Planning Office, Map Room:
Aerial Photos [Rural-paper and mylar], 1986 (ca.300 photographs);
Aerial Photos [Urban], 1981 (ca.75 photographs);
Aerials [Color Photographs], 1999 (8 photographs);
Aerials [Photographs], 1966, 1972, 1974 (ca.100 photographs); 1977 (ca.100 photographs);
Air Photos [Urban], 1956 (ca.100 photographs);
Significant Wetlands [Aerial Photomaps], 1986 (ca.30 photomaps).

Records at the John B. Yeon Building, Multnomah County Archives:
[Aerial Photographs], 1957-1980 (ca.1000 photographs);
[Aerial Photographs-with index], 1960 (ca.50 photographs);
Aerial Photos, 1973-1974 (ca.75 photographs).

Records at the Multnomah Building, Suite 175, Cartography Area:
Columbia Slough Maps & Photos [Aerial-rolled], n.d. (1 cu.ft.).

Oregon Secretary of State • 136 State Capitol • Salem, OR 97310-0722

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