Rocky Mountain Tree Finder a Manual for Identifying Rocky Mountain Trees

Pocket-sized guide to identifying native trees of the Rockies and Great Basin, in the U.S. and Canada, from the plains to the alpine zone. Like all the plant guides in the Finders series, this book uses a key format that leads you through a series of choices to identify the plant by its leaves, needles, and other features. Explains life zones in the Rockies. Heavily illustrated with line drawings and range maps.