01013cam a22002771i 4500 gs 11000593 DLC 20260227111312.0 790702s1911 dcu b f001 0 eng gs 11000593 (OCoLC)5130335 DLC ICharE DLC QE75 .B9 QE515 .C6 1911 Clarke, Frank Wigglesworth, 1847-1931. The data of geochemistry / by Frank Wigglesworth Clarke. 2d edition. Washinton, Govt. Print. Off., 1911. 782 p. ; 24 cm. U.S. Geological survey. Bulletin 491 "The first edition of this volume was published in 1908 as Bulletin 330 of the United States Geological survey. The work has been revised and enlarged for the present edition." - Foot-note, p. 9 Bibliographical foot-notes. Includes index. Geochemistry. United States. Geological Survey. Bulletin ; 491. 25090 25090