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1. 1866 Trolley Map of Portland, Oregon

This map is an 1866 map of portland's trolley system, all centered around the Willamette River. Map was found in Portland's "Archives and Records M... Lewis & Clark College (Portland, Or.).

2. Portland Aerial photo 2011

Oregon Metro. Aerial map or Portland metro area derived from ortho-rectified digital images, covering 602 square miles at 6 inch resolution. Map from Oregon Metr... Lewis & Clark College (Portland, Or.).

3. Portland Streets 1892

Lewis & Dryden. A historical raster map of Portland Streets originally mapped in 1892 by Lewis & Dryden. Lewis & Clark College.

4. Portland Topographical Map of 1964

Geological Survey. This topographical map is a compilation of four Geological Survey Portland maps published in 1964. Georeferenced to fit Oregon North State Plane (... Harvard Map Collection.