NORRIS CORSON FAMILY PLANETARIUM FULLY RENOVATED and NOW OPEN at the GROUT MUSEUM DISTRICT in WATERLOO, IA! DETAILS at GMDISTRICT.ORG/PLANETARIUM GROUT PAID FOR, IN PART, BY EXPERIENCE WATERLOO HOTEL/MOTEL TAX MUSEUM DISTRICT NORRIS CORSON FAMILY PLANETARIUM FULLY RENOVATED and NOW OPEN at the GROUT MUSEUM DISTRICT in WATERLOO, IA! DETAILS at GMDISTRICT.ORG/PLANETARIUM GROUT PAID FOR, IN PART, BY EXPERIENCE WATERLOO HOTEL/MOTEL TAX MUSEUM DISTRICT