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An profusely illustrated guide to the geology of a classic area of the eastern Valley and Ridge Province of the Central Appalachians, including the elementary principles of geology needed to understand the features of this unique area - Virginia's Fort Valley and Massanutten Mountians, 65 miles west of the Washington, D.C. metropolitan area, written by Smithsonian geologist Bill Melson.
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1919/28 cumulation includes material previously issued in the 1919/20-1935/36 issues and also material not published separately for 1927/28. 1929/39 cumulation includes material previously issued in the 1929/30-1935/36 issues and also material for 1937-39 not published separately.
Vols. for 1902- include decisions of the District of Columbia Court of Appeals and various other courts of the District of Columbia.