Jen & FlyingScot -

Try this link to get the coupon - I don't know if its the same thing or not, but maybe it'll work:

http://www.destinationtexas.cc/cgi-p...=1&back=coupon

Send a stamped, self-addressed envelope to: J.S.Faires,
Amtrak/Sales & Marketing, 400 S. Houston Street, #100,
Dallas,TX 75202 to receive a FREE Amtrak Companion Fare
Coupon. Your FREE coupon is valid on the following
trains: California Zephyr, Coast Starlight, Empire
Builder, Heartland Flyer, Southwest Chief, Sunset
Limited, and Texas Eagle routes. Valid for coach travel
until 6/19/05, excluding (holiday) blackout dates. Other
restrictions may apply. FREE Companion Fare Coupons are
available on a first come, first served basis WHILE
SUPPLIES LAST. Not valid with any other offer.
expiration: 06-19-2005

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Also, I've updated the first page with some new codes...