Letter (paper size) "official" "Government Letter" size, , was used in government, while paper was standard in most other offices. In the U.S., paper density is usually measured in "pounds per ream" (of 500 sheets). Typical Letter paper has a basis weight of paper of – the weight of 500 sheets (a ream) of paper at and at 50% humidity. One ream of 20-pound Letter-sized paper weighs , and a single Letter-sized sheet of 20-pound paper weighs , which is equivalent to 75.19 g/m. Some metric information is typically included on American ream packaging. For example, 20-pound paper is also labeled as 75
Norman B. Ream Todd Lincoln, Ream was the executor of Pullman's will. Ream served on the Board of Directors of the U.S. Steel. Additionally, Ream was involved in the railroad business, serving on the Board of Directors of the Pullman Company, as well as the Boards of the Baltimore and Ohio Railroad, the Chicago and Erie Railroad, the Cincinnati, Hamilton and Dayton Railway, the Erie Railroad, the New York, Susquehanna and Western Railway, the Pere Marquette Railway, and the Seaboard Air Line Railroad. Ream was also active in the insurance business, serving on the Boards of the Equitable Life Assurance Society of the