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Name: Portage Lake topographic map, elevation, terrain.
Location: Portage Lake, East Grosse Pointe Shores Road, Senter, Houghton County, Michigan, 49922, USA (47.02439 -88.51984 47.15309 -88.40270)
Average elevation: 696 ft
Minimum elevation: 581 ft
Maximum elevation: 1,224 ft