United States Geological Survey
Found in 1 Collection or Record:
Map of Montana and Wyoming Territories, c1879
Map of Montana and Wyoming Territories, embracing most of the country drained by the Madison, Gallatin and Upper Yellowstone rivers. Geology by FV Hayden, assisted by AC Peale. Drawn by Henry Gannett from notes and sketches by Adolph Bruck, chief topographer of the Yellowstone Division of the United States Geological Survey of the Territories.