Description:

The front cover is white stock with a vertical yellow bar. The Penn Salt logo is at the top in yellow and dark blue with "100th Anniversary Open House" in the middle in dark blue. At the bottom is "1850 -- Progressive Chemistry for a Century -- 1950." The back cover has a blue-and-white keystone photograph of the Portland, Oregon, plant above the company's logo and name. The front end page has a photograph and letter from Fred C. Shanaman, President of Pennsylvania Salt Manufacturing Company of Washington. There is a history of the company with photographs of eight Penn Salt plants, including one in Wyandotte, Michigan. On a center page is the program for the 100th Anniversary Open House.