00958cam a22002531 4500 gs 33000377 DLC 20260227111337.0 850515s1929 ii abe b 000 0 eng c gs 33000377 (OCoLC)12035573 Library, U.S. Geological Survey TxHR DLC premarc QE295 .A4 vol. 52, pt. 2 553.69 Dunn, John Alexander. The aluminous refractory materials: kyanite sillimanite, and corundum in northern India, by J. A. Dunn. Calcutta, Government of India, Central publication branch, 1929. 1 p. l., iv, 145-274, xxi p. inc. plan, tables, diagrs. pl. 15-27 (incl fold. maps, fold. diagr.) 26 cm. Memoirs of the Geological Survey of India, v. 52: pt. 2 Bibliography: p. 256-274. Refractory materials. Mines and mineral resources India. 27042 27042