Possible Clues:

• Amerindian's north-eastern land, lush all around
• Wisconsin lake
• Native Americans — I now began (anag)
• What's now being diverted round a lake?
• 'Lost in America' vehicle
• Indian began rolling in drunk
• RV name
• A Native American people originally from Wisconsin
• Motor home brand
• Native American hotel embroiled in intrigue in times gone by