Volume 4 completes the presentation of the equipment: SR and SR&RL built equipment, "Snowplows" built by Joseph M. Whittier, unknown builders and miscellaneous builders and rosters: Eustis, F&M, P&R, SR, SR&RL.
Contents:The Snowplow and Flanger Dilemma;The Roster Dilemma;Corrections and Additions to volumes 1, 2 and 3.Equipment Manufacturer Sandy River and Rangeley Lakes Railroad, pp. 1-42;Miscellaneous Builders, pp. 43-59;Unknown Builders, pp. 60-200;Equipment Photograph Gallery, pp. 201-221;Railroad Equipment Rosters, pp. 222-240;Appendix (handcars and motorized cars, snow plowing equipment), pp. 24-264;Index, pp. 265-266.
Stonybrook Press, 284 pages, large portrait format pages 11 x 8.5 in., over 400 Black and White photographs.