To do this cache, first you must do the adventure lab so you can get the information you need to solve it! Here it is:
Use your phone's native QR code scanner to open this Adventure in the Adventure Lab® mobile app, or share the following URL:
Part III Avon Venture
You will find the cache at S 43° 3(B-F).(B+G)A(B*C)' E 172° 3(I+E).(F+E)(I+D)(J-E)'