I really can't help much with the breaker location, I would like to welcome you to the Forum, someone will come up with the needed information.
I live in New Orleans and have seen thousands of flooded homes many of which can be rebuilt, the only thing I can think of which is worse is fire, I wish you the best in your rebuilding and hope you have been able to maintain a positive attitude during your ordeal.
I believe WBCCI sells reprinted manuals. Here is a link to their site, you may want to give them a call in the morning. A call to Airstream will get you to the right person also.
WBCCI.org