Administrative reports of chiefs of divisions and heads of independent parties accompanying the annual Report of the Director of the U.S. Geological Survey, p. 31.
Index, p. 743.
List of illustrations, p. XI.
Report of the Director of the United States Geological Survey-Part I: Geology, p. III.
Table of contents, p. V.
The Natural Gas Field of Indiana, by Arthur John Phinney, p. 579.
The Pleistocene History of Northeastern Iowa, by W.J. McGee, p. 189.
Electronic reproduction. Chester, Vt.: NewsBank, inc., 2006. Available via the World Wide Web. Access restricted to Readex U.S. Congressional Serial Set subscribers.