You searched for: Place Minnesota Remove constraint Place: Minnesota Resource Type Geological maps Remove constraint Resource Type: Geological maps Time Period 1850-1899 Remove constraint Time Period: 1850-1899

Search Results


Geological map of Hennepin County, Minn Maps maps university-of-minnesota

1876. Winchell, Newton Horace, 1839-1914. Cartographic Details: Scale not given. Photocopy. "1876." Dimensions: 58 x 49 centimeters.


Preliminary geological map of the iron bearing rocks of the northeastern part of Minnesota Maps maps university-of-minnesota

1887. Winchell, Newton Horace, 1839-1914, Winchell, Alexander, 1824-1891, and Geological and Natural History Survey of Minnesota. Cartographic Details: Scale approximately 1:330,000 (W 92°1'--W 89°30'/N 48°14'--N 47°3'). Relief shown by hachures. Cover title: Winchell's Geolog... Geological and Natural History Survey of Minnesota.