dam 100

Photo

Holyoke, Mass., Holyoke Dam...

1890

Photo

Milling district, from lowe...

1908

Photo

Ann Arbor, Mich., broken da...

1900

Photo

Dam and lock, Saranac River...

1900

Photo

Saranac River dam and lock,...

1900

Photo

Dam across river, Appleton,...

1880

Photo

Dam of the Chicago Drainage...

1880

Photo

Dam of the Utica Light and ...

1900

Photo

Holyoke dam, Holyoke, Mass.

1904

Photo

Dam at Trenton Falls, Trent...

1900

Photo

Old mill dam on the Wessahi...

1905

Photo

Dam on the Pine River, Alma...

1890

Photo

Pump house & dam, South Had...

1900

Photo

Storage dam, Columbus, Ohio

1900

Photo

Gatun Dam and south lake en...

1910

Photo

Huron River, railroad bridg...

1900

Photo

Emergency dam, Panama Canal

1910

Photo

Dam on Huron River, Ann Arb...

1908

Photo

The Flow over Bear Trap Dam...

1908

Photo

Huron River dam, Ann Arbor,...

1910