CALIFORNIA BRICKS
Brand name: KEYSTONE
Company: Ione Fire Brick Company (1906), Western Refractories Company (1944)
Location: 2 miles SE of Ione, Amador County, CA
Years: 1906-1958
Type: Fire brick
Description: Brand name impressed on the face.
Equipment: Dry pan, pug mill, auger machine, wire cut, repress machine, air-dried under sheds, 5 round down-draft kilns
Capacity: 11,000 per day per kiln
Deposit: Clay pit near plant mixed with Lincoln clay, Placer County.
Source: California State Mining Bureau Bulletin 99, 1928, p. 60-63; California Division of Mines and Geology v. 50, no. 1, 1954;
Gurcke, Karl, Bricks and Brickmaking, The University of Idaho Press, 1987.
Plant of the Ione Fire Brick Co., Ione, CA.
From Cal. Div. Mines Geol., Report 14, 1913-1914.
Comments or questions are welcomed.
Please send email to Dan Mosier at danmosier@earthlink.net.