| 414573 | Facilities | 1631099 | EARTHEN PIT REPORT/PERMIT (Form 15) | 835288 | 3/22/2011 | Download |
| 414573 | Facilities | 2215244 | SITE INVESTIGATION AND REMEDIATION WORKPLAN | 3215622 | 7/27/2011 | Download |
| 414573 | Facilities | 2215245 | COGCC LETTER RE: NFA APPROVAL | 69175 | 8/4/2011 | Download |
| 414573 | Facilities | 400593296 | SUNDRY NOTICE SUBMITTED | 3944086 | 10/7/2011 | Download |
| 414573 | Facilities | 2214606 | SUNDRY NOTICE | 1737851 | 5/31/2011 | Download |
| 414573 | Facilities | 2221234 | SUNDRY NOTICE APPROVED-OTHER | 106358 | 4/21/2014 | Download |
| 414573 | Facilities | 2314164 | FIELD INSPECTION REPORT | 119336 | 3/2/2015 | Download |
| 414573 | Facilities | 403108477 | FORM 4 SUBMITTED | 297299 | 7/15/2022 | Download |
| 414573 | Facilities | 403107486 | ALTERNATIVE SAMPLING PROGRAM PER RULE 909.J.(6) | 762942 | 7/15/2022 | Download |
| 414573 | Facilities | 403107485 | SUNDRY NOTICE APPROVED-ALT-SMPL-PLAN | 368526 | 7/18/2022 | Download |