Geology and mineral resources of the Hennepin and La Salle quadrangles
By: by Gilbert H. Cady ... work in cooperation with the U. S. Geological survey. Printed by authority of the state of Illinois.
Contributors: Geological Survey (U.S.)
Published: 1919
Place of publication: Urbana, Ill
Language: eng
Number of pages: 136
Subjects: Geology -- Illinois.; Mines and mineral resources -- Illinois.