Fenton, Carroll Lane, 1900-1969. The structure of the earth / Carroll Lane Fenton. - Girard, Kan. : Haldeman-Julius Co., c1924. - 64 p. : ill. ; 13 cm. - Little blue book ; no. 555 . LCCN: ca 24000739 Subjects--Topical Terms: Geology.Earth sciences. LC Class. No.: QE505 / .F5