1940. 2012-01-06T16:39:19Z. 2021-10-01T21:33:51Z. United States. Bureau of Public Roads. The Bureau. English. Public. Maine.
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1940. 2012-01-06T17:51:54Z. 2015-04-21T22:02:45Z. United States. Public Roads Administration. The Survey. English. Public. Minnesota.
1940. 2012-01-06T18:38:24Z. 2015-04-21T22:02:46Z. United States. Public Roads Administration. The Administration. English. Public. New Jersey.
1940. 2013-05-13T15:17:37Z. 2015-10-27T22:11:31Z. United States. Public Roads Administration. The Administration. English. Public. Oregon.
1940. 2002-11-12T18:24:55Z. 2017-07-04T21:14:50Z. United States. Army. Corps of Engineers. Army Map Service. English. Public. Minnesota and Wisconsin.
1940. 2012-01-04T21:35:45Z. 2015-04-21T22:02:36Z. United States. Public Roads Administration. Public Roads Administration. English. Public. Mississippi.
1940. 2012-01-05T20:46:50Z. 2015-04-21T22:02:43Z. United States. Bureau of Public Roads. Bureau of Public Roads : Printed by the U.S. Geological Survey. English. Public. Virginia.