00726nam 2200265z- 450 991070817840332120241218122154.0(CKB)3780000000281697(DcWaBHL)86403(EXLCZ)99378000000028169720240129c1909uuuu -u- -engCenozoic mammal horizons of western North AmericaGovt. Print. Off19091 online resourceMammals, FossilPaleontologyNorth AmericaMammals, FossilPaleontologyWSUBOOK9910708178403321Cenozoic mammal horizons of western North America3873671UNINA