Beach Hydraulic shield being lowered into heading, building of great railway tunnel under St. Clair River, circa 1890

---

Size: 3159px × 2105px
Photo credit: © Niday Picture Library / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 1890, 1890s, advanced, alfred, beach, canada, canadian, clair, drawing, ely, engineering, grade, heading, hood, hoods, huron, hydraulic, illustration, lowered, michigan, ontario, place, port, railway, ram, rams, river, sarnia, shield, st, tunneling, usa, vintage