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The Upper Ordovician Rocks of Kentucky and Their Bryozoa
John Milton Nickles
· 1905
The Coals of the Big Sandy Valley, South of Louisa and Between Tug Fork and the Headwaters of the North Fork of Kentucky River
Albert Rogers Crandall
, John Milton Nickles
· 1905
Bibliography of North American Geology for 1909 with Subject Index
John Milton Nickles
· 1910
Geologic Literature on North America, 1785-1918
John Milton Nickles
· 1923
Spirit Leveling in South Dakota: L896 to 1915, Inclusive
Alfred Hulse Brooks
, John Milton Nickles
, Robert Bradford Marshall
· 1916
Bibliography of North American Geology, 1931 and 1932
John Milton Nickles
, Geological Survey (U.S.)
· 1934
Bibliography of North American Geology for 1911: With Subject Index
Hoyt Stoddard Gale
, John Milton Nickles
· 1912
Bibliography of North American Geology for 1918 with Subject Index
John Milton Nickles
· 1919
Geologic Literature on North America, 1785-1918: Index
John Milton Nickles
· 1924
A Synopsis of American Fossil Bryozoa, Including Bibliography and Synonymy
John Milton Nickles
, Ray Smith Bassler
· 1900
