1890. 2010-09-09T15:02:01Z. 2020-07-23T20:14:52Z. English. Public. Washington (D.C.).
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1906. 2011-05-23T17:35:32Z. 2015-10-21T14:59:44Z. U.S. Geological Survey. English. Public. Anne Arundel County (Md.), Calvert County (Md.), Charles County (Md.), Maryland, Prince George's County (Md.), Saint Mary's County (Md.), and Washington (D.C.).
1893. 2003-07-17T11:59:38Z. 2016-11-29T22:12:15Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Washington (D.C.) and Washington Metropolitan Area.
1891. 2010-09-09T13:43:45Z. 2015-10-27T22:25:38Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Washington (D.C.) and Washington Metropolitan Area.
1900. 2003-07-23T11:53:29Z. 2020-07-24T16:15:50Z. Union Engineering & Surveying Co. Union Engineering & Surveying Co. ; Wm. A. Flamm, sales agent. English. Public. Washington (D.C.).
1901. 2003-07-16T14:52:28Z. 2015-10-27T22:20:38Z. Darton, Nelson Horatio, 1865-1948. U.S. Geological Survey. English. Public. Washington (D.C.) and Washington Metropolitan Area.
1861. 2008-06-23T20:19:22Z. 2020-08-21T14:03:51Z. English. Public. Washington (D.C.).
1887. 2008-06-23T19:29:00Z. 2023-09-27T03:01:38Z. L'Enfant, Pierre Charles, 1754-1825, cartographer. United States Coast and Geodetic Survey,Julius Bien & Co. Photo. lith. English. cartographic image. Public. Washington (D.C.) and United States District of Columbia Washington. naf.
1800. 2008-06-23T19:50:08Z. 2020-07-23T17:56:27Z. English. Public. Washington (D.C.).
1792. 2008-06-24T12:47:28Z. 2020-07-21T20:45:51Z. English. Public. Washington (D.C.).