TY  - BOOK
AU  - Clarke,Frank Wigglesworth
TI  - The data of geochemistry
T2  - Bulletin / Department of the Interior, United States Geological Survey
AV  - QE75 .B9 no. 695
PY  - 1920///
CY  - Washington
PB  - G.P.O.
KW  - Geochemistry
N1  - Includes bibliographical references and index
ER  -