Index by areas and subjects, p. XXXI.
Index of streams, p. XXXII.
Index, p. 233.
List of illustrations, p. 6.
Stream-gaging stations and publications relating to water resources. Part IX--Colorado River basin, p. I.
Table of contents, p. 3.
Electronic reproduction. Chester, Vt.: NewsBank, inc., 2007. Available via the World Wide Web. Access restricted to Readex U.S. Congressional Serial Set subscribers.