Main Canal, Columbia Basin Project, of which the Grand Coulee Dam is a part. This is part of the southerly six and one half mile section of the Main Canal. Canal must be lined with concrete before it can be used.
West Canal, Columbia Basin Project. This picture shows a drilling crew preparing blasting holes in the tough basalt rock in preparation for the Grand Coulee Dam.
Postcard picturing a state highway and the Delaware River approaching the Delaware Water Gap, Pennsylvania, addressed to former president Harry S. Truman from Walter von Broock of Sparta, New Jersey, 9/5/54. Part of a postcard booklet containing eighteen postcards. Copyright 1937.