CONTENTS Illustrations
Report of Investigation 27 STATE OF MICHIGAN Hon. James J. Blanchard, Governor LITHOSTRATIGRAPHY AND DEPOSITIONAL DEPARTMENT OF NATURAL RESOURCES ENVIRONMENTS OF THE PENNSYLVANIAN Dr. Ronald O. Skoog, Director ROCKS AND THE BAYPORT FORMATION OF GEOLOGICAL SURVEY DIVISION THE MICHIGAN BASIN R. Thomas Segall, State Geologist and Chief by NATURAL RESOURCES COMMISSION Ray Vugrinovich Harry H. Whiteley, Chairman, Rogers City, 1981-1985 Thomas J. Anderson, Southgate, 1983-1986 E. R. Carollo, Iron Mountain, 1983-1984 Marlene J. Fluharty, Mt. Pleasant, 1984-1987 Stephen V. Monsma, Grand Rapids, 1983-1986 O. Stewart Myers, Bitely, 1984 Raymond Poupore, Warren, 1984-1987 John M. Robertson, Executive Assistant Published by authority of State of Michigan CL '70 s.321.6 Printed by Reproduction Services Section, Office Services Division, Department of Management and Budget Available from the Information Services Center, Michigan Department of Natural Resources, Box 30028, Lansing, Michigan 48909 On deposit in public libraries, state libraries, university libraries and geological survey libraries in Michigan and other selected localities. CONTENTS Illustrations.........................................................................2 Charts ................................................................................2 Abstract..............................................................................2 Michigan Department of Natural Resources Introduction ........................................................................3 Previous Investigations......................................................4
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