- Geographia Ltd (London)2
- Geological Survey (Washington, D.C)1
- George Philip & Son (London)2
- H. Barrére (Paris)1
- H.M Smyth Print. Co. (Saint Paul, Minnesota), 19201
- Hölzel (Vienna)1
- Hudson Co., (Minneapolis)2
- Hugh H. Shepard distributor1
- Indiana Dept. of Conservation?1
- Iowa Geological Survey2
- Iowa Map Company1
- Iowa. State Planning Board3
- Issued by the Duluth & Iron Range Railroad Co (Duluth, Minn)1
- Istituto Italiano d'arti grafiche (Bergamo)1
- J. Bartholomew (Edinburgh)1
- J. Forest (Paris)3
- John Bartholomew & Son (Edinburgh)1
- John Bartholomew (Edinburgh)2
- Kenyon Co.1
- Kenyon Co., Inc., Map Makers, (Des Moines, Iowa), 19201