Marked face of the PCP Acorn firebrick
Photo courtesy of Douglas S. McIntosh

Brand Name: PCP / ACORN

Company: Pacific Clay Products, Inc.

Brickyard Location: Corona, Riverside County or Lincoln Heights, Los Angeles, Los Angeles County, CA.

Operating Years: 1921-1953

Years Brick Made: 1921-1953

Type: Firebrick

Description: "PCP" on first line, "ACORN" on second line, impressed on face.

Source: California State Mining Bureau Preliminary Report 7, 1920, p. 57; California State Mining Bureau Bulletin 99, 1928, p. 111; California Journal of Mines and Geology, v. 50, no. 3-4, 1954, p. 467-709.

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