Photograph of what looks like a school field trip exploring plant fossil beds at the head of Grand Coulee. Automobiles and clothing date the photograph as circa 1920-1930's.
Right of way -- Law and legislation -- United States.
Philip Nalder, head of the right of way department for the construction of Grand Coulee Dam. Nalder is nailing a notice to the door of a property purchased by the government indicating that it is now Interior Department property.