Files containing correspondence, photographs, notes, and ephemera on various wind and water mills and related industries in the United States of America, Canada, and the Caribbean. Industries include sugar mills; salt mills; cider mills; dye mills; flax, hemp and textile mills; paper mills; colour mills; whiting mills; rice mills; ironworks; bridges; canals; hydroelectric power; saw mills; tide mills.

Material relating to flour, textile and saw mills in Quebec and Ontario, Canada. The file contains leaflets on Upper Canada Village; Watson's Mill, Manotick; Peterborough Lift Lock. Other items include a photocopy article entitled "Historic Mills of Quebec" by Fred Bruemmer; clipping showing "Canada's oldest operating mill" in Ontario; newspaper cutting about Charles Howell, millwright.