Ralph Waldt is a naturalist and author. He spent nearly two decades working for The Nature Conservancy as an interpretive naturalist in Montana and Arizona. Now semi-retired, Ralph lives along the San Pedro River in southeastern Arizona, where he continues to speak and write on behalf of the land and its life. He is the author of a new book on the San Pedro River, called The Life of the San Pedro River. This book is available through links at his blog, www.RalphWaldt.com