1969 self published. Historic reference for the mining lines and locomotives of Shawmut. Contains black and white photographs, graphs, and maps. 178 pages. Cover has some fading, scratches, edge wear, wrinkles, and rub wear. There are binding issues that can be repaired if desired. Some staining on the opening page. Some bits of corner creasing throughout the volume. All contents are easily readable. No highlights or annotations. Collectible study copy.