Correlation of the members of the Shawnee group in southeastern Nebraska and adjacent areas of Iowa, Missouri and Kansas,
by G. E. Condra and E. C. Reed.
- [Lincoln] Printed by authority of the state of Nebraska, 1937.
- 64 p. fold. tab., fold. diagr. 25 cm.
- Nebraska. Geological survey. Bulletin 11, 2d ser. .
- Nebraska Geological Survey. Bulletin ; 2d ser., no. 11. .