Heber valley railroad 2-8-0?

Not too familiar with this one, even though I"m a long term (Mainly PRR and derivatives like Penn Central) Railroad Buff. Possibly there may be some connection with the now defunct Allegheny...

Yes. it is more than 200 feet below sea level. it use to be filled with water.

No, Death Valley is in the arid desert of California.

There is a lot of tucker valleys, any one in particular?

That would be the San Fernando Valley of California, in no small part Los Angelas itself. The behavior that became stereotyped as "Valley Girl" is now generally associated with most of beachside...