IOWA
WAS: Ski Valley / NOW: Seven Oaks Recreation Area
MICHIGAN
WAS: Buck Hills Ski Area / NOW: Crystal Mountain
WAS: Sylvan Resort / Sylvan Knob / NOW: Treetops
WAS: Harbor Highlands AND Boyne Highlands / NOW: The Highlands at Harbor Springs
WAS: Walloon Hills / NOW: Challenge Mountain
WAS: Hiawatha Slopes / NOW: Chatham Ski Hill
WAS: Indianhead / NOW: Jackson Creek Summit
WAS: Blackjack / NOW: Black River Basin
WAS: Cliff's Ridge / NOW: Marquette Mountain
WAS: Holiday Hills / NOW: Mt. Holiday
WAS: Grand Haven Ski Bowl / NOW: Mulligan's Hollow Ski Bowl
WAS: Hidden Valley / NOW: Otsego Ski Club ???
WAS: Little Switzerland / NOW: Swiss Valley Ski Lodge
WAS: Sylvan Knob AND Sylvan Resort / NOW: Treetops Resort
MINNESOTA
WAS: Anderson's Hill AND Ski Haven / NOW: Mt . Kato
WAS: Gokey's Hill / NOW: Buck Hill
WAS: Mt. Normandale / NOW: Hyland Hills
WAS: Val Croix / NOW: Wild Mountain
NORTH DAKOTA
WAS: Fort Ransom AND Bear's Den / NOW: Thrill Hills
WAS: Twilight Hills / NOW: Huff Hills
OHIO
WAS: Suger Creek Ski Hills / NOW: Bellbrook Mountain
WAS: Concord Slopes / NOW: Big Creek Ski Area
WAS: Valley Hi / NOW: Mad River Mountain
WISCONSIN
WAS: Indian Knob AND Playboy Club AND Americana AND Hotdog Mountain / NOW: Mountaintop at Grand Geneva
WAS: Maryhill / NOW: Ausblick
WAS: Mt. Atlanta / NOW: Christie Mountain
WAS: Rib Mountain / NOW: Granite Peak
WAS: Port Mountain / NOW: Mt. Ashwabay
WAS: Crystal Ridge / NOW: Rock Snow Park
WAS: Wunderberg / NOW: Sunburst
WAS: Sutter's Ridge AND Norway Basin / NOW: Tyrol Basin
WAS: Deepwood / NOW: Woodwind Park