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1. 1866 Trolley Map of Portland, Oregon Raster Lewis & Clark Public content

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 General Transportation 1912 Raster Lewis & Clark Public content

Edward H. Bennett and PDXscholar. This is a general diagram of transportation featured in the Greater Portland Plan 1912. Georeferenced using WGS 84-pseudo mercator. .