Skagit County Aerial Imagery
Download the 1937
Aerial Photography (SID file). (117 MB) This
free data download is in a .zip file format for easy download.
Title of Content: Aerial_1937
Type of Content: Data set
Skagit County GIS
June 12, 2003
Content Summary: This collection of photos was originally
flown by the War Department in 1937. The original photos were taped together
to make larger areas that were again photographed (This is the product available
at Skagit County Public Works). The resultant photos were then scanned in
Content Purpose: A low resolution image of historical
Supplemental Information: The photos were scanned
at 1600 dpi, and georectified with a first order polynomial using mostly street
intersections as ground control. A significant amount of spatial distortion
exists in the data, and analysis should be made with caution. The original
photos are not currently at
, but may be at the USGS.
The compilation photo set originals are at the Skagit County Public Works
department, but distribution of hardcopy originals can be made by the USGS.
Time Period of Content
Beginning Date: 1937
Ending Date: 1937
Update Frequency: None planned.
West Coordinate: -122.7614
East Coordinate: -120.6836
South Coordinate: 48.6886
Coverage Area: 48.2514
Theme Keywords: remote sensing, image, 1937, photos
Spatial Data Information
Data Type: Raster
Data Format: SID compressed data
Data Projection: State Plane,
, North Zone 5601 North American
Datum of 1927
Access and Usage Information
Access Constraints: Data is free via our ftp server but must
be used in accordance with our Data Use and Legal Responsibility form.
Use Constraints: Printing, copying, or transferring these
files by anyone other than Skagit County Geographic Information Services (GIS)
may result in errors or inadvertent changes beyond the control of
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may not be an accurate statement of current law. Therefore,
disclaims any warranty of
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date in the metadata. Questions or concerns relating to this data set may
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of FGDC compliant metadata is available here.