The trap dikes of the lake Champlain region /

Bibliographic Details
Main Authors:	Kemp, James Furman, 1859-1926 (Author), Marsters, Vernon Freeman (Author)
Format:	Government Document eBook
Language:	English
Published:	Washington, D.C. : Department of the Interior, United States Geological Survey, 1893.
Series:	Bulletin of the United States Geological Survey ; no. 107.
Subjects:	Geology > Champlain Valley. Dikes (Geology) Igneous rocks. Geology. North America > Champlain Valley.
Online Access:	https://purl.fdlp.gov/GPO/gpo58127