Killer Sudoku #1 Mystery Cache

The cache is not here. Don't go here.

To find the coordinates for this cache, solve the following puzzle (Corrected. Original puzzle took you to posted location. Don't go there!):

Cache is at N 39 33.ABC W 105 08.DEF

This is a puzzle known as "Killer Sudoku".

The rules are:

Each row, column, and 3x3 sub-region contains each of the digits 1-9.
The dotted lines indicate areas which also contain a non-repeating set of digits.
The digits in the squares in the area must add up to the value shown for the region.

Values A-F are the numbers in the indicated cells.

Do not cross any fences!
It is not in any rock formation!
Do not climb on rocks!
No bushwhacking! No deer trails!