| Brachiopoda of the Pennsylvanian System in Nebraska |
Condra, G.E.; and Dunbar, C.O. |
Nebraska Geological Survey, Bulletin second series, no. 5, 367 pages |
1932 |
N/A
|
| Classification of Desmoinesian (Pennsylvanian) of northern Midcontinent |
Searight, W.V.; Howe, W.B.; Moore, R.C.; Jewett, J.M.; Condra, G.E.; Oakes, M.C.; and Branson, C.C. |
American Association of Petroleum Geologists, Bulletin vol. 37, no. 12, pp. 2747-2749 |
1953 |
N/A
|
| Correlation of the Big Blue Series in Nebraska |
Condra, G.E.; and Upp, J.E. |
Nebraska Geological Survey, Bulletin second series, no. 6, 74 pages |
1931 |
N/A
|
| Correlation of the members of the Shawnee Group in southeastern Nebraska and adjacent areas of Iowa, Missouri, and Kansas |
Condra, G.E.; and Reed, E.C. |
Nebraska Geological Survey, Bulletin second series, no. 11, 64 pages |
1937 |
N/A
|
| Geologic map of parts of Kansas and Nebraska, (loose sheet), <In>, Kansas Geological Society; [Carboniferous rocks of eastern Kansas, eastern Nebraska, and western Missouri] |
Moore, R.C.; and Condra, G.E. |
Kansas Geological Society, Annual Field Conference, Guidebook 125 pages, scale 1:360,000 |
1932 |
N/A
|
| The Fusulinidae of the Pennsylvanian System in Nebraska |
Condra, G.E.; and Dunbar, C.O. |
Nebraska Geological Survey, Bulletin second series, no. 2, 116 pages |
1927 |
N/A
|
| The Grenola Formation |
Condra, G.E.; and Busby, C.E. |
Nebraska Geological Survey, Paper no. 1, 31 pages |
1933 |
N/A
|
| The nautiloid cephalopods of the Pennsylvanian System in the midcontinent region |
Miller, A.K.; Dunbar, C.O.; and Condra, G.E. |
Nebraska Geological Survey, Bulletin second series, no. 9, 240 pages |
1933 |
N/A
|
| The nomenclature, type localities and correlation of the Pennsylvanian subdivisions in eastern Nebraska and adjacent states |
Condra, G.E. |
Nebraska Geological Survey, Bulletin second series, no. 16, 67 pages |
1949 |
N/A
|
| The stratigraphy of the Pennsylvanian System in Nebraska |
Condra, G.E. |
Nebraska Geological Survey, Bulletin second series, no. 1, 291 pages |
1927 |
N/A
|