Brand name: KEYSTONE
Company: Ione Fire Brick Company
Location: 1.4 miles southeast of Ione, Amador County, California
Description: Brand name impressed on the face.
Comments: For more information, see under "Brickmakers" the Ione Fire Brick Company.
Plant of the Ione Fire Brick Co., Ione, California. From Bradley, 1927.
Comments or questions are welcomed.
Please send email to Dan Mosier at firstname.lastname@example.org.