| 113990 | Facilities | 664791 | lease inspection form | 19638 | 4/17/1990 | Download |
| 114112 | Facilities | 664942 | lease inspection form | 20421 | 4/17/1990 | Download |
| 114013 | Facilities | 664948 | lease inspection form | 26366 | 4/17/1990 | Download |
| 381459 | Location | 664781 | Lease Inspection Form | 20504 | 4/17/1990 | Download |
| 113991 | Facilities | 664794 | lease inspection form | 19458 | 4/17/1990 | Download |
| 113997 | Facilities | 664829 | lease inspection form | 22122 | 4/17/1990 | Download |
| 113977 | Facilities | 664727 | lease inspection form | 22027 | 4/17/1990 | Download |
| 113994 | Facilities | 664810 | laese inspection report | 19495 | 4/17/1990 | Download |
| 113996 | Facilities | 664822 | lease inspection form | 22271 | 4/17/1990 | Download |
| 113992 | Facilities | 664800 | lease inspection form | 27365 | 4/17/1990 | Download |
| 113995 | Facilities | 664816 | lease inspection form | 20754 | 4/17/1990 | Download |
| 114103 | Facilities | 664806 | lease inspection form | 23326 | 4/17/1990 | Download |
| 117469 | Facilities | 696317 | Letter from Heartland to COGCC | 15027 | 4/17/1990 | Download |
| 113979 | Facilities | 664735 | lease inspection form | 19468 | 4/17/1990 | Download |
| 06707302 | Wells | 618709 | wellbore | 37499 | 4/17/1990 | Download |
| 10309770 | Wells | 62576 | location layout | 26426 | 4/17/1990 | Download |
| 10309770 | Wells | 62575 | legal plat | 19556 | 4/17/1990 | Download |
| 06106085 | Wells | 533447 | letter-failure to comply | 65753 | 4/17/1990 | Download |
| 06706967 | Wells | 634265 | correspondence | 44003 | 4/17/1990 | Download |
| 06106547 | Wells | 531760 | well completion | 94969 | 4/17/1990 | Download |
| 06707276 | Wells | 668168 | wellbore diagram | 51803 | 4/17/1990 | Download |
| 06106339 | Wells | 1124801 | correspondence | 39805 | 4/17/1990 | Download |
| 07306183 | Wells | 490087 | sundry notice | 56306 | 4/17/1990 | Download |
| 10309770 | Wells | 62586 | oil and gas lease | 274456 | 4/17/1990 | Download |
| 06707224 | Wells | 534394 | wellbore diagram | 51535 | 4/17/1990 | Download |