1974 Press Photo Park superintendent John Nesvold at Minnesota Interstate Park

Pothole--John C. Nesvold, a state park superintendent, looked into a pothole, carved when glacial meltwaters created whirlpools of rock and sand. This is on the Minnesota side of the Interstate Park. Ice Age National Scientific Reserve.

Photo is dated 1974.

Photo measures 6.5 x 10 inches.

Photo back: