The Middle River traverse of Iowa,
Condra, Geo. E. 1869-1958.
The Middle River traverse of Iowa, by G. E. Condra and J. E. Upp. - [Lincoln] Printed by authority of the state of Nebraska, 1933. - 31 p.
Bibliographical foot-notes.
gs 34000114
Geology--Iowa.
QE135 / .A43 no. 4
The Middle River traverse of Iowa, by G. E. Condra and J. E. Upp. - [Lincoln] Printed by authority of the state of Nebraska, 1933. - 31 p.
Bibliographical foot-notes.
gs 34000114
Geology--Iowa.
QE135 / .A43 no. 4