The geology of the Silurian rocks of northern Indiana,
Cumings, E. R. 1874-1967.
The geology of the Silurian rocks of northern Indiana, by Edgar R. Cumings and Robert R. Shrock ... Div. of geology ... Conservation commission. - Indianapolis, W. B. Burford Print. Co., 1928. - 226 p. incl, ill., tables. diagrs. (part fold.) 23 cm. - Indiana. Dept. of Conservation. Publication no. 75 . - Indiana. Department of Conservation. Publication no. 75. .
Bibliography: p. 194-201.
gs 28000444
Geology--Indiana.
Geology, Stratigraphic--Silurian.
QE661 / .C8
The geology of the Silurian rocks of northern Indiana, by Edgar R. Cumings and Robert R. Shrock ... Div. of geology ... Conservation commission. - Indianapolis, W. B. Burford Print. Co., 1928. - 226 p. incl, ill., tables. diagrs. (part fold.) 23 cm. - Indiana. Dept. of Conservation. Publication no. 75 . - Indiana. Department of Conservation. Publication no. 75. .
Bibliography: p. 194-201.
gs 28000444
Geology--Indiana.
Geology, Stratigraphic--Silurian.
QE661 / .C8