- Wisconsin Geological and Natural History SurveyView Full Item in Wisconsin Historical Society
This map shows the junction between the Montreal River and the west branch of the Montreal River. The original captions on the map read: "Field Work by H.R. Aldrich; S.L Rosenberry and Carroll Osgood…
Montreal River of Lake Superior - Ontonagon Riv. E. Fork - Riv. Sapin: The Montreal River Between the Riv. Gros Pin & Riv. SapinHoughton, DouglassView Full Item in Wisconsin Historical Society
This map shows a sketch of the Montreal River and points of interest along the waterway. Includes manuscripts notes in the top and bottom margins. Lake Superior is seen near the bottom of the map.
- Houghton, DouglassView Full Item in Wisconsin Historical Society
This map shows the range of hills crossed by Portage. Also shows the location of sandstone, conglomerate rocks, and the Portage trail. Includes manuscript notes at the top of the map.