Geology of the Indian Sub-continent : observations on mineralogy, gypsum, mines, and mountain formations / James Calder, J.D. Herbert. Calder, James. Herbert, J. D., -1833. Geology India. QE295 .G418 1981 550 19 CAG Reprint. Originally published: 1822. New Delhi : Cosmo Publications, 1981. 1981. 1981 Text vi, 218 p. : eng India.