00339cam a22001451 4500 DLC 551 WIL 1960 A023 Or. Dunbar, Carl O. Historical geology. 2d ed. New York, Wiley [1960] 500 p. illus. 27 cm. Historical geology. EK 16106 16106 0 0 0 551_000000000000000_WIL_1960_A023_OR 0 69906 LBA LBA A023 2018-01-10 551 WIL 1960 A023 Or. A15016 2018-01-10 2018-01-10 EK