A contribution to the geology of the northern Black Hills.
Irving, J. D. 1874-1918.
A contribution to the geology of the northern Black Hills. - [New York] [s.n.] 1899. - 1 p. leaf, 187-340 p. illus., plates (partly fold.) fold. map. 25 cm. - Contributions from the Geological department of Columbia university. vol. IX, no. 65 .
From Annals New York academy of sciences, vol. XII, no. 9.
Thesis (PH. D.)--Columbia university.
gs 06001227
Geology--Black Hills (S.D. and Wyo.)
QE1 / .C7 vol. 9, no. 65
A contribution to the geology of the northern Black Hills. - [New York] [s.n.] 1899. - 1 p. leaf, 187-340 p. illus., plates (partly fold.) fold. map. 25 cm. - Contributions from the Geological department of Columbia university. vol. IX, no. 65 .
From Annals New York academy of sciences, vol. XII, no. 9.
Thesis (PH. D.)--Columbia university.
gs 06001227
Geology--Black Hills (S.D. and Wyo.)
QE1 / .C7 vol. 9, no. 65