TY  - BOOK
AU  - Clarke,Frank Wigglesworth
TI  - The data of geochemistry
T2  - U.S. Geological survey. Bulletin 491
AV  - QE75 .B9
PY  - 1911///
CY  - Washinton
PB  - Govt. Print. Off.
KW  - Geochemistry
N1  - "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; Includes index; Bibliographical foot-notes
ER  -