Publisher's Note With nearly 2,000 diesel locomotives on 29,000 miles of merged lines, until recently the Burlington Northern was the largest U.S. railroad. Photos and descriptions show how four railroads became one, and what happened to their diesel locomotives. By Paul D. Schneider. 8 1/4 x 11 1/4; 160 pgs.; 187 color and 6 b&w photos; includes dust jacket.