Tunneling the Hoosac tunnel: work at the heading. Illustration from a magazine printed in 1870.

---

Size: 4666px × 3139px
Photo credit: © Bookworm Classics / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: dig, digging, drill, drilling, engraved, engraving, heading, heavy, hoosac, hoosic, hoosick, illustration, labor, manual, massachusetts, men, mining, people, tunneling, underground, vintage, work, working