Black and white photograph of piers at Olcott Beach, Burt, New York.

Black and white photograph of piers at Toronto, Ontario.

Black and white photograph of harbor front in Toronto, Ontario.

Black and white photograph of Toronto Exposition in Toronto, Ontario. Crowds of people are scattered across a park, and a large building in visible in the background. A banner to the right of the building reads health-happiness-children.

Black and white photograph of Jackson's pile driver. Four men are visible on and around the tool.

Black and white photograph of the north abutment of Shelby's Bridge, under construction.

Black and white photograph of the south abutment for Gorman's Bridge, under construction. Three men and a child can be seen standing around the structure.

Black and white photograph of vertical wall for berme 5015, New York State Canal System.

Black and white photograph of south culvert 103, New York State Canal System.

Black and white photograph of excavation of berme 5160, New York State Canal System.

Black and white photograph of spoil in Hoffmans, New York.

Black and white photograph of the Burdette group in Buffalo, New York. Two women and one man can be seen standing next to a baby stroller.