| 285 | 4 | 09-21-1976 | 77750 | SOUTH CANYON | DK-CM | Amends Order 285 1, as corrected, to include production of gas from stratigraphic zone defined as being between top of the Dakota formation to the top of the Morrison formation. |
| 285 | 9 | 01-13-1988 | 77750 | SOUTH CANYON | DK-CM, DK-MR, DKCMM, MRSN | Extends 320 acre spacing units for production from the Morrow formation; allows additional well to be drilled on certain 320 acre units for production from the Dakota and Morrison formations; deletes lands that are located in federal units and established irregular size and shape units for lands surrounding the unit boundaries, and allows downhole commingling of production from the Dakota and Morrison formations. |