You are looking for a soda preform container hidden at Mills Norrie State Park. For five minutes you can probably park nearby; otherwise, park in the nearby (towards the river) parking lot.
If you found SHS#6, you learned about Lewis Gordon Norrie. The son of Adam Gordon Norrie and Margaret Lewis Morgan Norrie, Lewis Gordon Norrie was a star of the hockey team at Princeton University who was killed in a car accident in 1923. After his death, his parents erected a memorial and created a park in his memory.