C: Go to N45°11.205' W88°24.042 and take the final digit on the sign.
This sign is near the main entrance to camp.
OK. That's enough help for now.
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This is the sign.
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The only digits on the sign are the year "1946", and the final digit is "6", so the letter C should be replaced with the digit 6: N45°11.AB6' W88°23.DEF'
OK. That's enough help for now.