Report issued by the U.S. Bureau of Mines discussing the annual report over the research and technology of coal during 1941. As stated in the foreword, "these investigations increase our fund of exact knowledge on the properties and composition of American coals and lead to better methods in mining, preparing, storing, and utilizing coal" (p. 4). This report includes tables, illustrations, photographs, and a map.

A photograph postcard showing Baltimore & Ohio (B & O) #7614, 2-8-8-4, Class EM-1, Cumberland Division-Westend, climbing the 2.20% eastbound Cranberry Grade in the Alleghany Mtns, at 15 mph with 55 coal cars, just east of McGuire Tunnel cut, west of Terra Alta, WV