| Title | Channel sandstone concretions of the Tongue River Formation, McCone County, Montana | 
| Description | Channel sandstone concretions in the Tongue River Formation (Fort Union Group), McCone County, Montana. The channel sandstone trends to the southeast and is preserved in a Holocene deflation basin. | 
| Chronostratigraphy | Paleocene | 
| Lithostratigraphy | Tongue River Formation (Fort Union Group) | 
| Geologic province | Williston Basin | 
| Location | USA ▹ Montana ▹ McCone. Near Circle. | 
| Photographer | Joseph Hartman. 1974. | 
| Collection | Joseph Hartman P00320. | 
| Key words | Sandstone concretions, Paleocene, Tongue River Formation, McCone County, Montana | 
| Tech details | 381 KB. Outcrop. | 
| GeoDIL number | 1168 | 
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