000 00747cam a22002291 4500
001 gs 21000252
003 DLC
005 20260227111325.0
008 760412s1920 xx 000 0 eng
010 _ags 21000252
035 _a(OCoLC)2107227
040 _aDLC
_cTxEU
_dDLC
042 _apremarc
050 0 0 _aQE91
_b.A4 no. 21
100 1 _aWorcester, Philip G.
_q(Philip George),
_d1884-
245 1 4 _aThe geology of the Ward region, Boulder County, Colorado,
_cby P. G. Worcester.
260 _aDenver,
_bEames bros., state printers
_c[1920]
300 _a74 p.
_b2 fold. maps (in pocket)
_c23 cm.
410 2 0 _aColorado Geological Survey.
_tBulletin,
_v21
504 _aBibliography: p. 72.
650 0 _aGeology
_zColorado
_zBoulder County.
999 _c26101
_d26101