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Start Over Spatial Coverage Delaware County (Iowa)

1. Iowa Farley quadrangle

Yale Public content
1900. 2011-05-23T18:59:21Z. 2015-10-21T14:59:46Z. U.S. Geological Survey. English. Public. Delaware County (Iowa), Dubuque County (Iowa), Iowa, Jones County (Iowa), and Linn County (Iowa).

2. Iowa Oelwein quadrangle

Yale Public content
1901. 2011-05-23T19:02:53Z. 2015-10-21T14:59:47Z. U.S. Geological Survey. English. Public. Buchanan County (Iowa), Clayton County (Iowa), Delaware County (Iowa), Fayette County (Iowa), and Iowa.

3. Iowa Winthrop quadrangle

Yale Public content
1903. 2011-05-23T19:31:36Z. 2015-10-21T14:59:47Z. U.S. Geological Survey. English. Public. Benton County (Iowa), Buchanan County (Iowa), Delaware County (Iowa), Iowa, and Linn County (Iowa).

4. Iowa-Wisconsin Elkader quadrangle

Yale Public content
1902. 2011-05-23T18:52:13Z. 2015-10-21T14:59:46Z. U.S. Geological Survey. English. Public. Clayton County (Iowa), Delaware County (Iowa), Dubuque County (Iowa), Grant County (Wis.), Iowa, and Wisconsin.