http://www.rachelcarsontrails.org/rct/challenge/rctc09/checkin Rachel Carson Trails Conservancy Rachel Carson Trail Challenge Check-In Jun 19, 2009 from 05:00 pm to 08:00 pm: Participants may optionally pick up their tag and map the evening prior to the Challenge. Veteran Challengers will be on hand to answer questions and offer advice. Old Firehouse, North Park