| 20-4 | Hearings | 711292 | Affidavit of Mailing with Proofs | 1522424 | 6/16/1970 | Download |
| 20-4 | Hearings | 711308 | Notice of Hearing, List of Interested Parties | 97585 | 5/28/1970 | Download |
| 20-4 | Hearings | 711309 | Application- Charles Barr | 139127 | 5/28/1970 | Download |
| 20-4 | Hearings | 711302 | List of Interested Parties | 21431 | 8/14/1970 | Download |
| 20-4 | Hearings | 711296 | Order/Report of Commission | 129151 | 6/16/1970 | Download |
| 20-4 | Hearings | 711295 | Transcript | 607712 | 6/16/1970 | Download |
| 20-4 | Hearings | 790639 | Exhibits 20-4 | 3151289 | 6/16/1970 | Download |
| 20-4 | Hearings | 1136118 | Letters, Correspondence 20-4 | 2930480 | 1/22/2013 | Download |