Data Catalog

• State

  Iowa Geographic Map Server

  State of Iowa —

  This site provides free access to Iowa geographic map data, including aerial photography, orthophotos, elevation maps, and historical maps. The data is available...

  • HTML
• City

  Contour Lines 1993

  City of Seattle —

  Updated contours from 2021 here.A line feature class showing 2 ft. and 10 ft. elevation contours. Derived from 1993 digital orthophotos - has not been updated.Because...

  • HTML
  • JSON
  • CSV
  • ZIP
  • application/vnd.geo+json
  • KML
  • 2 more in dataset
• Federal

  Aerial photomosaic of John Day Reservoir, 1966

  Department of the Interior —

  A two-week field operation was conducted in the John Day Reservoir on the Columbia River to image the floor of the pool, to measure the distribution and thickness of...

  • XML
  • XML

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