To solve this cache, you'll need to first gather the required information by completing the adventure lab: Activities at Willen Lake.
Apply the info to this to find the final: N52 03.ABC W000 43.DBE
You can find this by scanning the following QR code
or by following the link below:
https://labs.geocaching.com/goto/301080dc-6981-4365-a686-ca1c40e19979