01177nam a22003377a 4500 0 4 udc 0 0 CPL CPL GEN 2019-04-23 0 56(7) 2019-12392 2019-04-23 00:00:00 2E808 2019-04-23 BK 495855 495853 5977412 Ge_NSL 20201221165434.0 190423s1940 us ||||| |||| 00| 0 eng d 41011998 (OCoLC)1300740 DLC NBrockU OCoLC DLC eng premarc QE821 .D34 56(7) 565.393097 Delo, David Marion, 1905- 112823 Phacopid trilobites of North America / by David M. Delo ; [Geological Society of America]. [New York] : The Society, 1940. vii, 135 p., 13 pl. on 7 l. ; 25 cm. 184979 Geological Society of America. Special papers ; no. 29 Bibliography: p. 114-118. Trilobites. 111230 Paleontology North America. 112824 პალეონტოლოგია პალეონტოლოგია ჩრდილოეთ ამერიკაში 69998 Geological Society of America 7 cbc oclcrpl u ncip 19 y-gencatlg udc BK