This is a three stage multi.
The listed coordinates will take you to the first historical
marker where the multi begins.
At the first Historical Marker find the dates: CDBA-1899 and
plug in the numbers below to get the coordinates to stage 2.
42 37.6AB 072 53.0CD
At the second Historical Marker use the last two digits of the
Settled year and add 56 for WX. Use the last two digits of the
Incorporated year and subtract 50 for YZ for the coordinates to the
final.
42 37.7WX 072 53.5YZ