CSS Management Corp. did development work at the Apex-Damon project in King County, and Weyerhaeuser Co. ... In Yakima County, Ardic Exploration and Development Inc. drilled the Morse Creek property. ... The production of portland cement in Washington increased 43% in quantity from that estimated in 1991 and more than ... The high-alumina clays were blended with clay produced by the Pacific Coast Coal Co. at its John Henry No.1 Mine near Black Diamond, King County.