This is a Mystery Cache. This cache is not in the lake, so don’t go there. You must solve the puzzle below to obtain the information required to find the geocache.
?-? Express Train? (Yorba Regional Park)
Honestly, I believe I've given too many clues.
Penny: Okay, now that I’ve been completely insulted, have a good flight.
Leonard: Yeah, I wish.
Sheldon: We’re not flying, we’re taking the train.
Penny: Oh, cool.
Howard: Yeah, cool. Seven times as long as flying, and costs almost twice as much.
Penny: Well, then why are you doing it?
Leonard: Well, we had a vote. Three of us voted for airplane, Sheldon voted for train, so we’re taking the train.
Sheldon: Don’t say it like that, Leonard, say it like: we’re taking the train!
- Big Bang Theory episode "The Terminator Decoupling"

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