01049nam0-2200277 --450 991025056040332120180123104915.020180123d1995----km y0itay5050 baengUS 001yyGeology of the Blue Mountains region of Oregon, Idaho, and Washingtonpetrology and tectonic evolution of pre-tertiary rocks of the Blue Mountains regionTracy L. Vallier and Howard C. Brooks, editorsWashingtonUnited Nations Government printing office1995VI, 540 p.ill.29 cmUnited States Geological Survey Professional Paper1438BLUE MOUNTAINSGEOLOGIAROCCEERA CENOZOICABLUE MOUNTAINSVallier,Tracy L.Brooks,Howard C.ITUNINAREICATUNIMARCBK9910250560403321OA 1/27s.i.DINGEDINGEGeology of the Blue Mountains region of Oregon, Idaho, and Washington1503979UNINA