000 00559 am a2200157 4500
001 12710
008 120503s1957 wua||||| |||| 00| 0 eng d
041 _aeng
245 _aPaleoecology /
_ceditor, Harry S. Ladd.
260 _aWashington :
_bGeological Society of America,
_c1957.
300 _a1077 p. :
_bill. ;
_c25 cm.
440 1 _aThe Geological Society of America. Memoir ;
_v67 (Vol.2 Treatise on marine ecology and paleoecology)
700 1 _aLadd, Harry S.
760 _w12708
_012708
_912708
_tGeological Society of America.
942 _2ddc
_cBK
_fBKS
999 _c12710
_d12710