Butler County Tourism and Convention Bureau - visitbutlercounty.com
Butler Freeport Trail - butlerfreeporttrail.org
Butler Outdoor Club - butleroutdoorclub.org
DCNR - Pennsylvania Department of Conservation and Natural Resources
Glacier Ridge Ultra Trail Race & Ultramarathon - http://glacierridgetrailultra.com
Great Allegheny Passage - atatrail.org
Jennings Environmental Education Center - Jennings Environmental Education Center
McConnells Mill State Park - McConnells Mill
Moraine Sailing Club - morainesailingclub.org
North Country Brewery - northcountrybrewing.com
North Country Trail - northcountrytrail.org
Panhandle Trail - panhandletrail.org
Rachel Carson Trails Conservancy - rachelcarsontrails.org
The Armstrong Trail - armstrongtrail.org
Washington's Trail - washingtonstrail.org
Contributing Photographers
A picture is worth a thousand words, and we'd like to extend a word of thanks to the following people who've allowed us to use their digital images.
atad2much, Dmitriy Babichenko, Chris Beach, Carol Bickel, Mike Brady, Jake Dingel, Roc Dornbrook, Shahid Durrani, CrossEyed Guy, Jennings Environmental Education Center, Natalie Price, Bush Prisby, Nancy Cabot Prisby, Rona Proudfoot, Stephanie Steele, Thomas Streiff, Chuck Tague, Marie Walzer and Kathy Weaver.