Corundum and its occurence and distribution in the United States (a rev. and enl. ed. of bulletin no. 180) by Joseph Hyde Pratt

Corundum and its occurence and distribution in the United States (a rev. and enl. ed. of bulletin no. 180) by Joseph Hyde Pratt Pratt, Joseph Hyde 1870-1942 creator text dcu Washington Gov't print. off. 1906 monographic eng 175, iii p. illus., xviii pl. (incl fold. maps) diagrs. 24 cm. Issued also as House doc. no. 202, 59th Cong., 1st sess. Corundum QE75 .B9 no. 269 U.S. Geological Survey bulletin ; 269 gs 06000395 U.S. Geol. survey. Library 811203 20260227111303.0 gs 06000395