Unknown2018-12-112018-12-111957-12-14EPM-068-02-008http://hdl.handle.net/20.500.11867/14865Single sheet 11.5 x 9 inch, bi-folded. Printed recto and verso. Back cover stamped.Issued by the Washington State Historical Society, this brochure has a description of the book and a cut-off order form on the back cover. See EPM-068-02-011 for an article that discusses the booklForts & fortifications;