If you're looking for a challenge this is it. To get the numerals for A,B and C you will need to Go to the posted coordinates. .
You can find what you need without leaving the paved bike path. The infornation is hidden in plain sight.
Once you get there you need to be very observant to find the information needed for A, B and C.
I have provided a Geochecker so you can check your answer.
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GOOD LUCK
The coordinates for this puzzle are: N 40 57.ABC W 081 50.211
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You can check your answers for this puzzle on GeoChecker.com.
You must sign the log to get credit for a find.