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.