| 2-4 | Hearings | 1147729 | Report: Underground Storage in Depleted Gas Fields | 243611 | 9/24/1951 | Download |
| 2-4 | Hearings | 1147727 | Reply by Calco to brief on Dakota gas storage filed by Tex | 198562 | 4/15/1952 | Download |
| 2-4 | Hearings | 1147720 | Statement of Read Winterburn | 344922 | 4/15/1952 | Download |
| 2-4 | Hearings | 1147723 | Statement of Graydon Oliver | 388404 | 4/15/1952 | Download |
| 2-4 | Hearings | 1147721 | Statement of D.S.Pierson | 146203 | 4/15/1952 | Download |
| 2-4 | Hearings | 818481 | Order/Report of Commission (Emergency) | 52290 | 4/23/1952 | Download |
| 2-4 | Hearings | 1147728 | Herscher gas storage project | 492716 | 9/24/1951 | Download |
| 2-4 | Hearings | 1147726 | Calco reply to Brief re: Gas Storage, Dakota | 165649 | 5/21/1952 | Download |
| 2-4 | Hearings | 1147730 | Calco Reply to Brief, re: Recovery of Injected Gas, Dakota | | 5/21/1952 | Download |
| 2-4 | Hearings | 1147731 | Herscher Dome Progress Report | | 5/12/1952 | Download |
| 2-4 | Hearings | 1147708 | TRANSCRIPT 2-4 | 65969438 | 4/15/1952 | Download |
| 2-4 | Hearings | 1147722 | Exhibits 2-4 | 34881189 | 1/9/2013 | Download |