Pictured here in 1955 is an International Harvester TD 24 bulldozer engaged in a heavy logging operation on Vancouver Island.
Popular in the rugged mountains...
Pictured here in the late 1950s is an American Model 750 cable shovel loading pit run gravel near Caledon, Ontario.
Owned by Franceschini Bros. Construction...
Pictured here in the 1930s is a Caterpillar Sixty crawler on roadbuilding duty, handling a Russell pull grader in Manitoba during the Great Depression.
Asphalt
roads...
Pictured
here in 1961 is a Marion walking dragline removing overburden at a coal surface
mining operation near Estevan, Saskatchewan.
As can
been seen in the photo, the Great...
