RI roster numbers 600 to 4909 encompasses everything from prewar ALCO cab units to SD40-2's. Painted in a wide array of colors and assigned to varied duties as the years passed by, they did their best as the Rock Island crumbled beneath them.

Contents:
Summary of Diesels, pg. 3;
Diesels 601-677, pp. 4-47;
Diesels 700-799, pp. 48-59;
Diesels 800-840, pp. 60-65;
Diesels 900-949, pp. 66-67;
Diesels 1000-1016, pp. 68-69;
Diesels 1200-1311, pp. 70-77;
Diesels 1312-1353, pp. 78-83;
Diesels 3000-3006, pg. 84;
Diesels 4100-4168, pp. 85-87;
Diesels 4200-4209, pg. 88;
Diesels 4300-4379, pp. 89-93;
Diesels 4421-4555, pp. 94-99;
Diesels 4700-4799, pp. 100-105;
Diesels 4800-4804, pg. 106;
Diesels 4900-4909, pg. 107;
NW2, pg. 108;
Slugs 50-999, pp. 108-109;
Motor Cars, pp. 110-113;
RDC's pp. 114-115;
Leased Diesels, pp. 116-117;
Dispositions, pp. 118-128.

Morning Sun Books, hardcover with dust jacket, 128 pages, 8.5 x 11 x .5 in., all Color photographs with captions.