similar, but must be washington state caches.

 Washington's Alpha Numeric Challenge

 XYZ The Multi Alphabet Challenge & Puzzle #3

must be all mystery caches, all in oregon

 XYZ The Mystery Alphabet Challenge & Puzzle #1

2 puzzles + 1 traditional for each letter, all in oregon

 XYZ The Mystery Alphabet Challenge & Puzzle #2

ABC Challenge

ACMY

Buckskin

Clover Creek Geocoin TB and Trackables

Dark Spirits and Mental Jiu-Jitsu Challenge Cache

Dark Spirits and Mental Jiu Jitsu Challenge Cache

Early La Grande

Four-way Internet Trackables Clearing House

Get A Clue Cache 

husTle PrIze zoNe

It's a Zoo Out There

Just Kidding!

Kai's Bitter Wishes

Kai's Bitter Wishes aka BUB #2

LSU - The warehouse

Maple Lane Memories

North 97

ODHS Action only $1.00

26 caches, each starting with a different letter of the alphabet.
Need J for Oregon Mystery
Need UX for Oregon Multi
Need X for Washington
Need ENQXY for Washington Mystery

ABC Challenge - Geo. Otter (working)

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ABC Challenge - Geo. Otter (working)Public