Preliminary geologic map of the Mississippian formations in the Dongola, Vienna and Brownfield quadrangles,
by Stuart Weller and Frank F. Krey. Explanation and stratigraphic summary, by J. Marvin Weller...
- Urbana, Printed by authority of the state of Illinois, 1939.
- 11p. illus.,fold.map(in pocket) 25cm.
- Illinois. State geological survey. Report of investigations no. 60 .
At head of title: State of Illinois ... Department of registration and education ... Division of the State geological survey ...