125, [2] pp. Colorized photographic frontispiece, black-and-white photos throughout. CONTENTS: Geyser Design, by Bernard T. Blake; Old Faithful Geyser (insert); Foreword; Old Faithful Geyser Photograph, by William H. Jackson; The Story of Yellowstone Geysers; Statue by Daniel Chester French; Water; Heat; Plumbing; Diagrams; Behavior; "The Giant Plays", Poem by Compton Crook; Deposits; Linoleum Cut by Charles Malcolm Campbell; Origin; List of Geysers; Index; Map.
