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Title The river and the rocks : the geologic story of Great Falls and Potomac River Gorge / by John C. Reed, Jr., Robert S. Sigafoos, and George W. Fisher.
Imprint Washington : U.S. Govt. Print. Off. : For sale by the Supt. of Docs., U.S. Govt. Print. Off., 1980.


 GovDocs Federal  I 19.3:1471-1476    AVAILABLE
Edition [2d ed.].
Description vii, 75 p. : ill. ; 23 cm.
Series Geological Survey bulletin ; 1471.
Note Edition of 1970 by United States Geological Survey and National Park Service.
Bibliog. Includes bibliographical references (p. 74).
Note Bound with titles: Mineral resources of the Du Noir Addition, Washakie Wilderness, Fremont County, Wyoming--Geology of the Rodeo Creek NE and Welches Canyon quadrangles, Eureka County, Nevada--Jasperiods of the Pando area, Eagle County, Colorado--Revisions to the Cenozoic stratigraphy of Harney Basin, southeastern Oregon--The geology and early history of the Boston area of Massachusetts, a bicentennial approach.
Subject Geology -- Great Falls of the Potomac (Md. and Va.) -- Guidebooks.
Natural history -- Great Falls of the Potomac (Md. and Va.) -- Guidebooks.
Great Falls of the Potomac (Md. and Va.) -- Guidebooks.
Other Author Sigafoos, Robert Sumner, 1920-
Fisher, George Wescott, 1937-
Geological Survey (U.S.). River and the rocks.