Creator
- Gruner, John W. (John Walter), 1890-2
- Heutmaker, J.F.2
- Ikola, R.J.2
- Isaacs, Patricia2
- J.H. Colton & Co2
- Jerde, E.A.2
- Lehr, J.D.2
- Little, R. L. (Geologist)2
- Lusardi, B.A2
- McSwiggen, Peter L.2
- Meints, Joyce P.2
- Minn Saint Louis County Highway Dept.2
- Minnesota Forest Service2
- Minnesota Transfer Board of Trade.2
- Minnesota. Division of Waters2
- Minnesota. State Drainage Commission.2
- Mossler, J.H2
- Nemitz, M.2
- Phippen, S.J.2
- Poole Brothers2