Took my pup for a walk and a cache grew every time she stopped
Cache is not at the posted coordinates, but solve the puzzle and you will find it.
N 38° 46.ABC W 121° 22.DEF
A Last digit in the year Delaware became a state
B Last digit in the year California became a state
C Last digit in the year Atlanta became the capital of Georgia
D Last digit in the year Hartford became the capital of Connecticut
E Last digit in the year Maine became a state
F Last digit in the year Alaska became a state
You can validate your puzzle solution with certitude.