CANYONEERING. A GUIDE TO TECHNIQUES FOR WET AND DRY CANYONS

David Black is the author of Falcon's Ice Climbing Utah and has published climbing and canyoneering articles in a number of magazines. He's been climbing, canyoneering, and guiding internationally since the mid 1960's. He's an ACA-certified canyoneering guide, and is currently guiding for Maui Canyon Adventures in Kahului, Hawaii. He resides in Wailuku, Maui, Hawaii.