The Pennsylvanian formations of southeastern Nebraska,
Condra, Geo. E. 1869-1958.
The Pennsylvanian formations of southeastern Nebraska, by Geo. E. Condra and N.A. Bengtson ... a summary report of papers given before the Nebraska academy of sciences ... - [Lincoln?] 1915. - 60 p. incl. illus. 2 fold. profiles. 22 cm. - Nebraska academy of sciences. Publications. Vol. IX, no. 2 . - Publications (Nebraska Academy of Sciences) ; v. 9, no. 2. Nebraska physical and social science series. Bulletin (Nebraska. Conservation and Soil Survey) ; no. 2. .
At head of title: Nebraska physical and social science series. Forms Bulletin no. [2] of the Nebraska conservation and soil survey of the University of Nebraska.
gs 15000744
Geology--Nebraska.
Q11 / .N3 vol. 9, no. 2
557.82 506.2782
The Pennsylvanian formations of southeastern Nebraska, by Geo. E. Condra and N.A. Bengtson ... a summary report of papers given before the Nebraska academy of sciences ... - [Lincoln?] 1915. - 60 p. incl. illus. 2 fold. profiles. 22 cm. - Nebraska academy of sciences. Publications. Vol. IX, no. 2 . - Publications (Nebraska Academy of Sciences) ; v. 9, no. 2. Nebraska physical and social science series. Bulletin (Nebraska. Conservation and Soil Survey) ; no. 2. .
At head of title: Nebraska physical and social science series. Forms Bulletin no. [2] of the Nebraska conservation and soil survey of the University of Nebraska.
gs 15000744
Geology--Nebraska.
Q11 / .N3 vol. 9, no. 2
557.82 506.2782