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
Figures & Tables
North-Central Section of the Geological Society of America
One hundred field guides, with area maps, to locations in Illinois, Indiana, Iowa, Michigan, Minnesota, Missouri, Nebraska, Ohio, and Wisconsin.