Welcome to the Dumfries Bonus cache. To get this hide, you must first complete the Adventure Lab "Welcome to Dumfries Va Est. May 11, 1749". Going to the posted coordinates brings you to a nice parking lot, but not the final.
Solve the following for the final coordinates. All the answers are included in the AL.
N38 34.0AB W077 19.CDE
There is no room for swag, or trackables, it’s a log only hide, so please bring your own pen