000 00870cam a22002411 4500
001 gs 06001021
003 DLC
005 20260227111304.0
008 770117s1892 dcua f000 0 eng c
010 _ags 06001021
035 _a(OCoLC)2683129
040 _aU.S. Geol. survey. Lib.
_cWKenU
_dDLC
042 _apremarc
050 0 0 _aQE656
_b.W2
100 1 _aWalcott, Charles D.
_q(Charles Doolittle),
_d1850-1927.
245 1 4 _aThe North American continent during Cambrian time /
_cby Charles D. Walcott.
260 _aWashington,
_bGov't. print. off.,
_c1892.
300 _a523-568 p.
_bpl. XLII-XLV (incl. double maps) diagrs.
_c31 cm.
500 _aCover title.
500 _aExtract from the 12th annual report of the director of the U.S. Geological survey, 1890-91, pt. I.
650 0 _aGeology, Stratigraphic
_yCambrian.
650 0 _aGeology
_zNorth America.
999 _c24497
_d24497