Walker, Paul Robert. Head for the hills! : : the amazing true story of the Johnstown flood / [electronic resource] / by Paul Robert Walker ; with illustrations by Gonzalez Vicente and photos.. — Houghton Mifflin ed.. — Boston : : Houghton Mifflin,, 1996.. — 109 p. : : ill. ; 22 cm. - Paperback plus.
Teton: eyewitness to disaster (from Time magazine) / photos by Dale Howard -- How we build embankment dams / by Neil Ardley.