| Midtflo, Knut I. P. | | | CHACORNAC | oiler |
| Midtflo, Knut I. P. | | | JOLIET | Second Assistant |
| Midtflo, Knut I. P.; 1949 Blue Book; 1949 | 1949 Blue Book | 1949-00-00 | ISHPEMING | Second Assistant |
| Midtflo, Knut I. P.; Great Lakes News 5/45; 1945 | Great Lakes News 5/45 | 1945-00-00 | WILLIAM M. CONNELLY | Second Assistant |
| Midtflo, Knut I. P.; Great Lakes News 7/44; 1944 | Great Lakes News 7/44 | 1944-00-00 | CHACORNAC | Oiler |
| Midtflo, Knut I. P.; Great Lakes Review. 1944 | Great Lakes Review. 1944 | 1944-00-00 | MICHIGAN | oiler |
| Midtflo, Knut I. P.; LCA Bulletin 6/46; 1946 | LCA Bulletin 6/46 | 1946-00-00 | | Third Assistant |