Here is the Lodge portion. They have changed the classrooms into suites. They advertise that you can play basketball or volleyball while staying there. Now THAT'S repurposing!!
Riverdale is on the north side of Lake Sakakawea. Lake Sakakawea is the third largest man-made lake in the United States. It was created in the 40's and 50's by the Army Corp of Engineers when they built the Garrison Dam to stem the flooding of the Missouri River and to provide an energy source.