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資源

作者	Southwick, D. L. (David Leroy), 1936-

標題 The Chopawamsic Formation-- a new stratigraphic unit in the Piedmont of northeastern Virginia, by D. L. Southwick, John C. Reed, Jr., and R. B. Mixon.

出版資料	[Washington, U.S. Govt. Print. Off., 1971]

複本

說明	iii, 11 p. map. 24 cm.
系列	Contributions to stratigraphy
	Geological Survey bulletin 1324-D
	Geological Survey bulletin ; 1324-D.
With:	Bound With: Terrestrial impact structures;
Bibliography	Bibliography: p. 10-11.
主題	Geology, Stratigraphic -- Ordovician.
	Geology, Stratigraphic -- Cambrian.
	Geology -- Virginia -- Prince William County.
	Geology -- Virginia -- Stafford County.
添加作者	Reed, John Calvin, Jr. 1930-
	Mixon, Robert B.
政府出版物號碼	I 19.3:1324-D