Fossil mammals of the type Lance formation, Wyoming
Clemens, William A.
Fossil mammals of the type Lance formation, Wyoming - Berkeley University of California Press 1964 - v,122p. 27cm.
Mammals, Fossil
QE881.C52
Fossil mammals of the type Lance formation, Wyoming - Berkeley University of California Press 1964 - v,122p. 27cm.
Mammals, Fossil
QE881.C52