000 01264cam a22003251 4500
001 gs 38000173
003 DLC
005 20260227111343.0
008 780808s1938 oruab b s000 0 eng c
010 _ags 38000173
035 _a(OCoLC)4120322
040 _aU. S. Geol. Survey. Libr.
_cNcRS
_dNcRS
_dDLC
042 _apremarc
043 _an-us-or
045 _ax3x3
050 0 0 _aTN942
_b.W54
082 _a285 s
_aB no. 6
100 1 _aWilson, Hewitt,
_d1891-
245 0 0 _aPreliminary report of some of the refactory clays of western Oregon,
_cby Hewitt Wilson and Ray C. Treasher.
260 _a[Portland, Ore.]
_c1938.
300 _aiv, 93 p.
_billus., maps.
_c28 cm.
490 0 _aOregon. State Dept. of Geology and Mineral Industries. Bulletin
_vno. 6
500 _a"This paper presents the results of work done under a cooperative agreement between the Bureau of Mines, the University of Washington and the Oregon State Department of Geology and Mineral Industries."
500 _aPhotoprinted.
504 _aBibliographical foot-notes.
650 0 _aClay
_zOregon.
650 0 _aClay industries
_zOregon.
700 1 _aTreasher, Raymond Clarence,
_d1898-
_ejoint author.
740 0 _aRefactory clays of western Oregon, Preliminary report.
999 _c27457
_d27457