Easy Math Sudoku Mystery Cache

Tired of complicated sudokus with all sorts of pictures you don't recognize or math you can't figure out? Well, here's a sudoku with no pictures and very simple arithmetic, stuff you probably mastered in fourth grade. No need to recognize the cast members of Hogan's Heroes or solve differential equations to solve this one. Just some arithmetic and a little sudoku logic. Standard sudoku rules apply, and each square contains a single digit 1-9. The red numbers are the last four digits of the north coordinates, and the blue numbers are the west. The solution is within 2 miles of the posted coordinates. Good luck!