Archean and early Proterozoic tectonic framework of North-Central United States and adjacent Canada /
Sims, P. K. 1918-
Archean and early Proterozoic tectonic framework of North-Central United States and adjacent Canada / by P.K. Sims. - Washington, D.C. : U.S. Government Printing Office, 1995. - iii, 12 p. : ill., map ; 28 cm. - U.S. Geological Survey bulletin ; 1904-T Contributions to Precambrian geology of Lake Superior region ; ch. T. .
Includes one folded color plate in pocket.
Includes bibliographical references (p. 10-12).
Geology, Stratigraphic--Precambrian.
Geology, Structural--Middle West.
Geology, Structural--Canada.
QE75 QE653 / .B9 no. 1904-T
Archean and early Proterozoic tectonic framework of North-Central United States and adjacent Canada / by P.K. Sims. - Washington, D.C. : U.S. Government Printing Office, 1995. - iii, 12 p. : ill., map ; 28 cm. - U.S. Geological Survey bulletin ; 1904-T Contributions to Precambrian geology of Lake Superior region ; ch. T. .
Includes one folded color plate in pocket.
Includes bibliographical references (p. 10-12).
Geology, Stratigraphic--Precambrian.
Geology, Structural--Middle West.
Geology, Structural--Canada.
QE75 QE653 / .B9 no. 1904-T