Golden Fire Brick Company - Mr. Mueller Holdings see plots. Mr. Mueller - Hogbach N plant good, Denver has slice. Dry Creek Mue at Von Bibber's reserve. Old mine clay left. Stop mining. Five clay vein - us 2xl 12', to north Common plastic clay Brick goodsh PCE 32 50' 55 6-8 burn plastic? ? -> No PCE available Burnin? Grades down out from hogbath. Blue vein Blue ribbon chen 105 21-22 Ruppale Gd 8 Buna for red clay 27-28 1947 PCE Blue clay - on calcined blue Cone 28-29 2960 F. (All tests Mellon Inst. of Industry Research) (Von Bibbers) Dry Creek 33-34 cone - this is highest test obtained on the Blue Ribbon vein. Chemical analysis of scrap brick. Mellon Inst. Silica Alumina FeO Ti.t. Lime MgO AlK, 59.90 35.49 2,37 .1,10 0.25 0.25 .61 PCE 32 1/3 - 33 99.97 #1 Golden Stiff Mud 42