Structural geology of parautochthonous and allochthonous terranes of the Penokean orogeny in Upper Michigan--comparisons with northern Appalachian tectonics - Gregg, William J.; U.S. Geological Survey (Washington : U.S. G.P.O. ; Denver, CO : For sale by USGS Map Distribution, 1993)
'Structural geology, Penokean orogeny, Upper Michigan, and comparisons with northern Appalachians'-- P. 4 of cover.
Includes bibliographical references (p. 26-28).
Keywords: Geology, Stratigraphic -- Precambrian; Geology, Structural -- Michigan