Guide to the study of rocks /
Spock, Leslie Erskine, 1900-
Guide to the study of rocks / L. E. Spock. - New York, Harper 1962. - 298 pages : illustrations ; 25 cm. - Harper's geoscience series .
Includes bibliographical references and index.
Petrology.
QE431, / S75 1962
Guide to the study of rocks / L. E. Spock. - New York, Harper 1962. - 298 pages : illustrations ; 25 cm. - Harper's geoscience series .
Includes bibliographical references and index.
Petrology.
QE431, / S75 1962