Marked face of the ACORN- firebrick
Donated by James Freedner.

Brand Name: 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: ?

Type: Firebrick

Description: Brand name recessed on the face of the brick.

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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