000 00806cam a22002291 4500
001 gs 21000302
003 DLC
005 20260227111325.0
008 761027s1921 xx 000 0 eng c
010 _ags 21000302
035 _a(OCoLC)2532705
040 _aU.S. Geol. survey. Library
_cOGraD
_dOCoLC
_dDLC
042 _apremarc
050 0 0 _aQE185
_b.A2 no. 123
100 1 _aCockfield, William Egbert,
_d1890-
245 1 0 _aSixtymile and Ladue rivers area, Yukon,
_cby W. E. Cockfield.
260 _aOttawa,
_bThomas Mulvey, printer,
_c1921.
300 _a3 p. l., 60 p.
_bVI pl., fold. col. map, tables.
_c25 cm.
490 0 _aCanada. Geological Survey. Memoir 123. no. 105, Geological series
502 _aPublished also as thesis (Ph. D.) Princeton University, 1918.
650 0 _aGeology
_zYukon.
999 _c26109
_d26109