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2394. A geological map of Iowa, 1904

Maps University of Iowa Public content
1900. Calvin, S. (Samuel), 1840-1911. 1 map Scale not given. Iowa Geological Survey.

2395. A geological map of Iowa, 1922

Maps University of Iowa Public content
1920. Kay, George F. (George Frederick), 1873-1943. 1 map Scale not given. Iowa Geological Survey.

2396. A geological map of Ohio

Maps Stanford University Public content
[by] J.A. Bownocker, State Geologist. Geologic formations shown by colors and symbols. "Based on preceding maps by Newberry and Orton.". Geological Survey of Ohio.

2397. A geological map of Ohio

Maps University of Minnesota Public content
1909. Bownocker, J. A. (John Adams), 1865-1928. ... efter de Geologiska kartbladen.; "A.-B. Kartografiska Institutet"--lower right margin.; "Sveriges Geologiska Underso?kning Ser. Ba. Nr 11." 82 ... A. Hoen & Co (Baltimore).

2398. A geological map of Ohio

Maps The Ohio State University Public content
1909. Bownocker, J. A. 1865-1928. Scale [1:506,880]. Eight miles to one in. Geologic formations shown by colors and symbols. "Based on preceding maps by Newberry and Orton." "A. Hoe... Geological Survey of Ohio.

2399. A geological map of the Caucasus

Maps University of Minnesota Public content
1914. Oswald, Felix, 1866-1958. Covers northern portion of the Caucasus.; Relief shown by spot heights.; Accompanied by: Explanatory notes to accompany the geological map of the C... Dulau & Co (London).

2400. A geological map of the United States

Maps University of Michigan Public content
1832. I.T. Hinton & Simpkin & Marshall. 1 map : hand col. ; 24 x 38 cm Relief shown by hachures. "Engraved & printed by Fenner, Sears & Co." Detached map 15 from the atlas to "The history...