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