Aerial Photos Colum Slough IR 1951 | |||||
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| Type | MapServer | ||||
| Description | Infrared Aerial Phots acquired in 1951 for the Columbia Slough area of Portland. The Bureau of Environmental Services obtained the photos. | ||||
| URL | https://www.portlandmaps.com/arcgis/rest/services/Public/Aerial_Photos_Colum_Slough_IR_1951/MapServer | ||||
| Category | Imagery | ||||
| Environment | Production | ||||
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