This cache will satisfy page 57 on The Wisconsin Delorme Challenge (GCXPZR based on edition 9) or page 73 of The Wisconsin DeLORME Challenge Part Deux (GC2C21G based on editions 10, 11, 12, or 13) . You are looking for a small container the size of a film canister, with black tape.
The hint is a dead give-away, as though you might actually need it.