The cache is NOT at the posted coordinates, but you do need to go there to solve it!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
I noticed there were only a few 1D/1.5T, one being in WA and the others being in Canada (see image below)!!!!! This should be a super easy Wherigo and easy find on one of my favorite trails! 
You can click on the image above or use this link to view the wherigo page.
IOS Instructions:
If you are using IOS, download the "Wherigo" app, and use the search or map feature to find the cartridge to download.
Android Instructions:
Make sure you have the "WhereYouGo" app installed. Click on the Wherigo symbol above and you should be redirected to the app. Once there, you can download and play the cartridge.
Please message me if you find any problems with the Wherigo cartridge or need help.
You can validate your puzzle solution with
certitude.