Author Details for "Loetterle, G.J."
| Title | Author(s) | Publication | Year | Online Access |
|---|---|---|---|---|
| The micropaleontology of the Niobrara Formation in Kansas, Nebraska, and South Dakota | Loetterle, G.J. | Ph.D. dissertation, Columbia University, New York, NY UNKNOWN | 1937 | N/A |
| The micropaleontology of the Niobrara Formation in Kansas, Nebraska, and South Dakota | Loetterle, G.J. | Nebraska Geological Survey, Bulletin second series, no. 12, 98 pages | 1937 | N/A |