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Geology and mineral resources of the Marseilles, Ottawa, and Streator quadrangles
Marseilles, Ottawa, and Streator quadrangles
388 pages : illustrations and portfolio with maps and diagram
by H. B. Willman and J. Norman Payne, with an introduction to mineral resources by W. H. Voskuil. Printed by authority of the state of Illinois.
At head of title : State of Illinois, Dwight H. Green, governor. Dept of registration and education, Frank G. Thompson, director. Division of the State geological survey, M. M. Leighton, chief. Urbana.
"A report of the Areal geology division, George E. Ekblaw, head."
Bulletin (Illinois State Geological Survey) ; no. 66