TRN's Multicache Madness Series
Blame it on The Flying Dutchmen!, how many do you need?
This is an easy 2 part Multi, at the Posted Coords, find the clue below for the Final location
Find the Vertical tag with a 7 Digit Number, enter that Number into the Certitude Checker Below

You can validate your puzzle solution with certitude.

Good Luck! TRN