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Industrial minerals of Pacific Northwest Cont
I Commodity specialist Rare and Precious Metals Branch
2 other sections not shown
abrasive Agate asbestos Baker County Beaverhead Bentonite Block Brick & Tile building stone Butte byproduct Canyon Chelan County Clark County clay commercial Concrete Products Cowlitz Creek area Creek deposit deposits are known Deschutes Diatomite Douglas County feldspar Fergus County Ferry fluorspar formerly garnet Gem materials grade Granite Grant County graphite Gulch Gypsum Harney high-grade Idaho industrial minerals insulation Jackson County Jefferson Josephine County King County Klamath Klickitat Lake Latah Lewis and Clark Lime limestone Lincoln County Madison magnesite Malheur manufacture Marble Marion County McBean Mica miles east miles southeast Mining molding Montana Occurrences known occurs Okanogan County opal Oregon Pacific Northwest Pend Oreille County phosphate Pierce County plant Portland Cement producing pumice quarry Quartz crystal refractories reported River rock sand Seattle is operating serpentine shale silica sillimanite Skagit County Skamania Snohomish County Spokane County Stevens County talc Valley Wallowa Washington County Wenatchee Whatcom Whitman County