Download or read book A River Runner's Guide to the History of the Grand Canyon written by Kim Crumbo and published by . This book was released on 1981 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt: Kim Crumbo, a river ranger at Grand Canyon National Park, has written a guide to the rich human history of the river and its canyon. Every rapid and other point of interest is discussed and clearly marked.