First published in 1969, this book is a comprehensive account of the scientific studies carried out by Meriwether Lewis and William Clark during their overland expedition to the Pacific Northwest and back in 1804-6. Summaries of the animals, plants, topographical features, and Indian tribes encountered are included at the end of each chapter devoted to the particular leg of the journey.
Paul Russell Cutright (1897-1988) was a historian and a zoologist who wrote extensively on American natural history. Paul A. Johnsgard is Foundation Professor Emeritus of Biological Sciences at the University of Nebraska. His forty-two books include The Nature of Nebraska: Ecology and Biodiversity and Crane Music: A Natural History of American Cranes, both available from the University of Nebraska Press.