Railroads. Atchison, Topeka and Santa Fe Photo essay on converting F7A units to dual-purpose locomotives. Roster given, Pacific News #192 0 1977 V.17 #10 p,6 Article with photos of Santa Fe acid Kaiser Steel unit coal train operations from York Canyon Mine in New Mexico. New Mexico Railroader F 1980 v.22 Part 1, #139 p,1 Photo essay on company's Muir Trestle in Calif. Pacific News #221 v.20 #3 p.12 Mr 1980