000 00321 a2200133 4500
245 1 _aDentition method of aging muskrats
260 _aChicago
_c1954
650 _aAging Muskrats
100 1 _aSather, J. Henry
_d
300 _a3 p.
440 _aNo. 130
_vNatural History Miscellanea
942 _2udc
_cB
901 _a42895
999 _c56239
_d56239