Coors Porcelain Co., Mr Ryland 800 Ford St., Golden. Kzolin S.Cerol & Fliz, Small sent. English Ball, Plastic from Kentucky & Tenn. Holdings just N of Oz Rock Mine on Rock Flats N end of Lazerumic Ridge. Sagger clay chiefly - use very little from hogback Have holdings north of Van Bibber, where old entry driven through hogback, Raston area. Also some in hogback s. 40. Lazerume holdings as noted above. No longer a power in local clay - check up fuel holdings to see how much tied up under Adolph Coors. Has large block of clay land tied up but will not lease to local Ref. Co's