6 Feet Deep Mystery Cache

When I was walking this area I stumbled upon a graveyard of cars out here. Along with an incredible amount of trash that will hopefully start to get cleaned up with a few well organized CITO events. 

 

THE PUZZLE

N 43° 0.ABC W 71° 29.DEF

A =  5+436-400-41

B =  3x1x1-3+3

C =  4x2x6-42

D =  5x5x4-75-20

E =  12+10-5-14

F =  9(2+7-6) -18