Stockholders of the Katonah Lumber, Coal and Feed Co., recently became interested in the acquisition of the Osborne & Gilbert concern at Ridgefield, Conn., the firm name which has been changed to The Ridgefield Lumber Co. William H. Cargon, who has been in charge of the Lake Mahopac branch of the local concern, has been promoted to manager of the Ridgefield [illegible] . . .