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1. General Land Map 1852-South Raster Lewis & Clark Public content

Surveyor General's Office. This map shows the Portland area in 1852 as the "township south of range east of the Willamette Meridian Territory". Created by the Surveyor Genera...

2. General Land Map of Portland North 1852 Raster Lewis & Clark Public content

Surveyor General's Office. This map shows the Portland area in 1852 as the "township north of range east of the Willamette Meridian Territory". Created by the Surveyor Genera...

3. General Portland Development Plan 1912 Raster Lewis & Clark Public content

This map shows the condition of development in Portland 1912 and the plan for future development of streets, parks, and business district. This is ...

5. Hectacres Occupied by Pasturelands and Feed Crops Raster New York University Public content

2020. Matthew N. Hayek, Helen Harwatt, William J. Ripple, and Nathaniel D. Mueller. This multi-band raster data represents hectacres of pastureland that are currently occupied by feed crops. The pixel band ranges represent two esti...

6. Industrial Map of Portland 1921 Raster Lewis & Clark Public content

Commission of Public Docks. This map shows locations of industrial facilities in 1921 including ports, principal industries, railroad and street car lines, public docks, lumbe...

8. Mean Current Velocity, Atlantic Coast, Massachusetts, 2009 Raster Stanford University Public content

2009. Applied Science Associates and Geological Survey (U.S.). This raster layer contains the mean tidal current speed in the Massachusetts Ocean Partnership (MOP) planning area (and extended rectangular region...

10. 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. .