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Pictured Rocks National Lakeshore, northern Michigan

Randall L. Milstein
Randall L. Milstein
Subsurface and Petroleum Geology Unit, Michigan Geological Survey, Lansing, Michigan 48912
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January 01, 1987


Pictured Rocks National Lakeshore, T.48N., R.19W. andT.49N., R.13W., Alger County, Michigan; Munising, Wood IslandS. E., Grand Portal Point, Trappers Lake, Au Sable Point, Grand Sable Lake, and Grand Marais, Michigan, 7½-minuteQuadrangles. The Pictured Rocks National Lakeshore extendsfrom the city of Munising, Michigan, along the Lake Superiorshoreline 43 mi (69 km) to Grand Marais, Michigan (Fig. 1). Access to Pictured Rocks by automobile is either from Michigan 28 and Michigan 94 at Munising or Michigan 77 at Grand Marais. Access to the lakeshore can also be gained by hiking trails orboat. Commercial boat tours are available between June 1 andmid-October, weather permitting, and leave the harbor at Munising daily

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Figures & Tables


DNAG, Centennial Field Guides

North-Central Section of the Geological Society of America

Donald L. Biggs
Donald L. Biggs
531 Hayward Avenue Ames, Iowa 50010
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Geological Society of America
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Publication date:
January 01, 1987




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