Union Iron Works Historic District

E. of Illinois between 18th & 22nd Sts., San Francisco, California. County/parish: San Francisco.

Added to the National Register of Historic Places April 17, 2014. NRIS 14000150.

38 contributing buildings. 2 contributing sites. 4 contributing structures.

Also known as:

• Potero Works, Union Yard, Bethlehem Steel Yard
• Potrero Yard, San Francisco Yard

LC