I picked up a flyer last weekend from the bait shop and it says...
Henkel's Hook & Arrow
2010 Bowfishing Tournament
-Take off from Coles Creek 10:00am - 6:00pm
-Shoot as many fish as you want but weigh in your biggest 5 of each carp, buffalo, and gar
-Big fish pot optional $10 (weight only)
-Must be in weigh in line by 6:00pm
-Corp will provide spot for fish disposal
-Registration at boat ramp prior to start $20 per man. 2 or 3 man teams to boat.
Though I did ask if trailering was allowed and he said we could put in from any boat ramp we wanted, spillway off limits.