Nickel Part 1

Washington D.C. Landmarks

Part 1

[Washington, D.C.]

Part 1

Mosquito Control, Washington, D.C.

Washington, D.C. Landmarks

Part 2

Washington, D.C. Stock Footage

Part 3

For Safety in Mines

Part 1

The Work of the U.S. Bureau of Mines

Part 1

Washington, D.C.

Part 5