1976. 2012-05-21T19:15:31Z. 2012-06-07T16:54:17Z. Seiders, Victor M. U.S. Geological Survey. English. Public. Connecticut, Tolland County, Massachusetts, and Hampden County.
1976. 2012-05-08T14:59:54Z. 2012-05-16T15:47:29Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Antarctica and Dean Island (Antarctica).
1976. 2018-05-10T19:30:35Z. 2018-09-05T19:39:37Z. McIntosh, Willard L. U.S. Geological Survey. English. cartographic image. Public. Puerto Rico, Virgin Islands, Lesser Antilles, Virgin Islands., and Puerto Rico.
1976. 2012-05-04T14:24:18Z. 2012-05-09T14:06:45Z. Swadley, W. C. U.S. Geological Survey. English. Public. Kentucky, Carroll County, and Trimble County.
1976. 2012-05-23T18:12:03Z. 2012-06-07T16:54:57Z. Olive, Wilds W. (Wilds Williamson), 1921-. U.S. Geological Survey. English. Public. Kentucky, Carlisle County, and Hickman County.