| 227-1 | Hearings | 747269 | transcripts | 696005 | 7/21/1970 | Download |
| 227-1 | Hearings | 747277 | cover letter | 25997 | 6/22/1970 | Download |
| 227-1 | Hearings | 747275 | exhibit | 357159 | 5/3/1970 | Download |
| 227-1 | Hearings | 747278 | publication | 55500 | 7/9/1970 | Download |
| 227-1 | Hearings | 747272 | exhibit | 225114 | 7/21/1970 | Download |
| 227-1 | Hearings | 747282 | list of interested parties | 28008 | 7/21/1970 | Download |
| 227-1 | Hearings | 747271 | log | 5109920 | 5/24/1970 | Download |
| 227-1 | Hearings | 747274 | log | 5718950 | 5/2/1970 | Download |
| 227-1 | Hearings | 747270 | exhibit A | 8517835 | 6/23/1970 | Download |
| 227-1 | Hearings | 747281 | application | 103253 | 6/23/1970 | Download |
| 227-1 | Hearings | 747276 | commission report | 92909 | 7/21/1970 | Download |
| 227-1 | Hearings | 758479 | commission report | 107026 | 5/19/1970 | Download |
| 227-1 | Hearings | 747279 | request for publication | 10477 | 7/6/1970 | Download |
| 227-1 | Hearings | 747280 | notice of hearing | 103317 | 7/1/1970 | Download |
| 227-1 | Hearings | 747273 | exhibit | 232160 | 5/24/1970 | Download |