Colonel Charles A. Lindbergh flies the Curtiss Robin in United States. Plane stands on the field outside the hangar. Men gather near the plane. Colonel Lindbergh walks towards the plane. He talks to a man. Lindbergh and his companion wearing parachutes at front of Curtiss Falcon mail plane. Lindbergh seated in cockpit of the plane. The plane flies.
Insects infest crops in various parts United States. Insects such as boll weevil and the corn borer. People work in a farm. Boll weevil attacks cotton. European crop borer destroys crop. Brown tail and gypsy moths are a menace to fruits, shade and forest trees. Wrecked forest trees. Products examined before shipment.
Insects infest crops in various parts of United States. Men inspect Christmas trees for wood whether they are free from gypsy moths. Wood logs at one side. Woods loaded into trucks. Another vehicle nearby. Man shows inspection certificate. The inspection certificate. A notice warns the automobile drivers and campers against the insects.
Insects infest crops in various parts of United States. A barrier zone created in some areas. Man marks areas with a brush on a map. A campaign baring insects in that area. Men destroy egg clusters of the insects with creosote in the area. Houses and mountains in the background. Dried up trees in the forest. Snow covered forest. Men walk and watch the trees. Brown tail moth webs on trees destroyed.
Insects infest crops in various parts of United States. Man bands trees in the forest. Insects on the bark of tree. Men spray poison on infested trees.
Insects infest crops in various parts of United States. Apparatus for spraying poison in the forest. Storehouses and shop facility for the spraying of poison in the forest. Men bring auxiliary pumps to water for spraying poison.