DenverF9Flier

Got this today:

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United Mileage Plus(R)
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Double up from Denver. Earn double miles in Colorado.

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Dear Mr. DenverF9Flier,

Purchase and fly qualifying travel on United, United Express
or Ted between Denver (DEN) and the following Colorado cities
and earn double miles:

-- Aspen (ASE)
-- Colorado Springs (COS)
-- Durango (DRO)
-- Grand Junction (GJT)
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Offer details:

-- Registration is required anytime prior to travel or
within 30 days after travel, but must be completed by June
30, 2008 in order to qualify for the promotion
-- Purchase tickets April 7, 2008 through June 30, 2008
-- Travel between April 7, 2008 and June 30, 2008
-- Bonus may be earned an unlimited number of times
-- Offer valid for recipients of this email only
-- This offer is not valid if the ticket and itinerary
includes any connecting or onward cities other than
Denver (DEN), Aspen (ASE), Colorado Springs (COS),
Durango (DRO) or Grand Junction (GJT).

United is your ticket in Colorado for double miles, convenient flights.



.....Note - "Double Miles" from Colorado Springs - isn't the minimum mileage 500 miles? In that case, does that mean that you get 1000 miles DEN-COS, or that the normal 50-or-so miles are "doubled" to 100 (in which you would still get 500)?