Historical GIS data for Puget Sound available for download from this site


Detail of T-1681; Snohomish River

19th century Coast Survey topographic sheets (T-sheets)

 

 

 

Detail of t29nr5e (1869)

19th century public land survey plat maps




 

 

Detail of 1938 aerial photography

1930s-era aerial photography

 

 



Additional GIS data

Puget Sound Lidar Consortium
Gemorphological Research Group (regional raster & vector data)

Additional non-GIS source data

19th century land survey field notes (links to BLMsite)

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