| State | Colorado |
|---|---|
| Name | Ogallala Fm |
| Geologic age | Tertiary |
| Lithologic constituents | Major
Sedimentary > Clastic > Conglomerate
Sedimentary > Clastic > Sandstone
|
| References | Tweto, Ogden, 1979, Geologic Map of Colorado: U.S. Geological Survey Special Geologic Map, scale 1:500,000. |
| NGMDB product | |
| Counties | Baca - Bent - Cheyenne - Elbert - El Paso - Kiowa - Kit Carson - Larimer - Las Animas - Lincoln - Logan - Phillips - Prowers - Sedgwick - Teller - Washington - Weld - Yuma |