Northrop, Sanford E. -- The construction and operation of the plant of the Washington Brick Company at Muirkirk, MD

Northrop, Sanford E. -- The construction and operation of the plant of the Washington Brick Company at Muirkirk, MD, bb0ad14c-890e-4a1b-951b-a156be57ca2c. Special Collections and University Archives. https://archives.lib.umd.edu//repositories/2/digital_objects/1553 Accessed April 19, 2024.