| Black shale investigations; western Kansas and eastern Colorado |
Landis, E.R. |
U.S. Geological Survey, Trace Elements Investigations, Report; (for) U.S. Atomic Energy Commission no. 540, p. 169 |
1955 |
N/A
|
| Black shale; western Kansas and eastern Colorado |
Landis, E.R. |
U.S. Geological Survey, Trace Elements Investigations, Report; (for) U.S. Atomic Energy Commission no. 490, pp. 158-159 |
1954 |
N/A
|
| Midcontinent Devonian shale [Kansas] |
Landis, E.R. |
U.S. Geological Survey, Trace Elements Investigations, Report; (for) U.S. Atomic Energy Commission no. 590, pp. 249-252 |
1955 |
N/A
|
| Radioactivity and uranium content of Devonian and Mississippian black shales in the central Midcontinent area |
Landis, E.R. |
U.S. Geological Survey, Trace Elements Investigations, Report; (for) U.S. Atomic Energy Commission no. 740, pp. 202-208 |
1958 |
N/A
|
| Radioactivity and uranium content, Sharon Springs Member of the Pierre Shale, Kansas and Colorado |
Landis, E.R. |
U.S. Geological Survey, Bulletin no. 1046-L, pp. 299-319 |
1959 |
N/A
|
| Uranium content of ground and surface waters in a part of the central Great Plains |
Landis, E.R. |
U.S. Geological Survey, Bulletin no. 1087-G, pp. 223-258 |
1960 |
N/A
|
| Uranium content of ground and surface waters in western Kansas, eastern Colorado, northeastern New Mexico, and the Oklahoma Panhandle |
Landis, E.R. |
U.S. Geological Survey, Trace Elements Investigations, Report; (for) U.S. Atomic Energy Commission no. 690, book 2, pp. 539-542 |
1957 |
N/A
|