" Once A River documents the changes in distribution of central Arizona bird life over the past four centuries. It is a creative detailed look at Arizona avifauna and, more uniquely, an indictment against European-era land ethics."-- Western American Literature "A significant contribution to our understanding of man's thoughtlessness regarding natural events."-- Defenders "This is probably the best documented study to date on the results of human misuse of a desert riverine system. Highly recommended."-- Choice "This unique and beautifully illustrated book contains lessons of value to all of us, no matter where we live."-- The Canadian Field-Naturalist.