State of Virginia. Department of the interior U.S.Geological Survey. A.F.Hassan, Cartographer, Compiled in 1914, revised in 1925. Overprint compiled by A.H.Horton, Hydraulic Engineer "Stations and transmission lines used in public service in 1925 an gaging stations". Farb. Karte, 1925. Blgr. 75 x 157 cm. Mehrere Bibl.-St. u. hs. Eintr. in den w. Rändern. Mehrf. gefaltet. - Leichte Alters- u. Gebrauchssp.

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