Photographic mosaic map making in the United States. An aerial photographic camera equipped with three lenses. Two lenses of the camera are held by U.S. army Air Corps personnel. A view of aerial mosaic of a large city.
Aircraft in flight in the United States. An aircraft flies over the Grand Canyon of Colorado. United States Army Air Corps Curtiss P-6 Hawk aircraft in formation flight. Clouds in the background. Twin rudder of a USAAC Keystone LB-5A shows scattered cumulus cloud in the background. The aircraft in flight. Smoke rises from a forest fire. Mountain ranges.
U.S. Army Air Corps aircraft in formation flight in the United States. A Wright Brothers aircraft in flight. A flight line area and early model aircraft parked in a long row. A pilot and ground crew stand in front of the aircraft. Hangars in the background. A commanding officer turns around and gives signal for men to board the aircraft. A formation of early aircraft flies low over a field. A formation of nine U.S. Army Air Corps Keystone LB-5A in flight. Two formations of bomber aircraft in flight. The fighter aircraft maneuver. The bombers in formation. Men hidden in a clump of trees. A formation of bombers overhead. Troops fire rifles at the aircraft. A fighter aircraft flies over an open field and lays a smoke screen. Ground soldiers advance across the open field. They are hidden by the smoke screen. Several early model aircraft take off together. The aircraft in flight overhead. Formations of bombers overhead. Fighters flying top cover. A battleship underway at sea. The battleship firing heavy guns. A formation of LB-5A in flight. The fighters are above the bombers. Bombs fall toward a simulated battleship in a desert area. A bomb strikes a battleship in water. Direct hits and misses scored upon the vessel. A formation of early model two engine bombers Curtiss models with twin wings and twin tail in flight overhead. A bomber aircraft shows a bombardier's hand throwing a switch releasing bomb load. The bombs explode on a bridge.
Boll weevil is examined at a Chemical Warfare Laboratory in Griffin, Georgia. Men in a laboratory examine the boll weevil A cotton field. Men at work in the cotton field. A boll weevil. A U.S. Army aircraft. The crew members prepare the aircraft for a take off.. The army aircraft spray poisonous powder on cotton fields.
Ships are fumigated at Baltimore Harbor in Baltimore, Maryland. Men at the harbor put a poisonous powder in a ship. A man puts the poisonous powder in a bucket, lifts it up and sprays it on the ship. The man covers the portion of a ship where the powder is sprayed. Another man with a cigarette in his mouth closes a door of the ship. Men at the harbor cover the ship. Dead rodents lying on the ship after the spray of the poisonous powder
The benefits to farmers in the United States from the Inland Waterways Corporation System (IWC). Crops grown in a farm. Horses tow a harvest machine. Farmers on the harvesting machine. They harvest grains. A farmer rides a horse dawn carriage which is loaded with grain. A train on tracks. Smoke comes out from an engine. Grains come out of an elevator and are transfered to IWC barges. The barges at a seaboard terminal. Buildings in the background. Grains being unloaded from the barges at the sea board terminal.
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