Correspondence and business records while the company was operating near the present site of Cass. Subjects and topics covered are the Blackwater Lumber Company, Condon-Lane Boom and Lumber Company, Chesapeake and Ohio Railroad, Greenbrier River, logging, lumber agents, Martin-Lane and Company, railroads, J.L. Rumbarger Lumber Company, R.M. Sutton Company, Stearns Manufacturing Company, Saint Lawrence Boom and Manufacturing Company, S.E. Slaymaker and Company, timberlands, West Spruce Lumber Company, and William Whitmer and Sons, Inc. Places mentioned include Greenbrier, Pocahontas, and Randolph counties; Green Bank, Horton, Cass, Piedmont, and Ronceverte (all in West Virginia); and Covington, Virginia. Correspondents include Joseph K. Cass, T.B. Davis, H.G. Davis, and P.I. Reed.