Field conference on niagaran reefs in the Chicago region
By: prepared by H.B. Willman, H.A. Lowenstam and L.E. Workman
Contributors: Lowenstam, H. A.; Workman, L. E.
Series: Guidebook; Illinois State Geological Survey guidebook series -- 1.
Publisher: Illinois State Geological Survey
Published: 1950
Place of publication: Urbana
Language: eng
Number of pages: 23
Subjects: Reefs; Congresses; Geology
Notes: Held in connection with the 35th Annual Convention of the American Association of Petroleum Geologists at Chicago, April 28, 1950.