A film on use of dynamite in the United States. The construction of the Moffat Tunnel in Colorado. The tunnel is constructed with the help of gelatin dynamite. Men working and drilling the heading.
Boy Scout Jamboree get-together in Colorado Springs, Colorado, United States. Views of boy scout jamboree with tents at Colorado Springs. Flags of different nations are raised. Boy Scouts from all over the world assemble for the BSA's 5th National jamboree and 50th anniversary of the Boy Scouts of America scouting movement. Giant cake for the ceremony. Boy Scouts get patches from a box. Sign: 'Choccolocco Council, Troop 53'. Boys erect the tents. Views of Colorado Springs surrounding mountains with various flags. Mountains in the background.
Mineral resources in Northeastern States of the United States. Animated map depicts the availability of petroleum and natural gas in western part and coal in State of Pennsylvania and West Virginia. Railroad cars loaded with coal moving out of a coal mine tunnel at the Warden Mine, founded 1925, near Douglas Hollow in Elizabeth Township, Allegheny County, Pennsylvania. View of quarry area in Northeastern region of USA. Men work on marble quarries.
United States Army Air Force footage of a helicopter designed by Emile Berliner and Henry Berliner being tested in Washington D.C.,United States. This was one of the final Berliner models built, if not the final, constructed after the triplane model 5 variant that had been demonstrated in February of 1924. This variant had a biplane configuration and was lighter to improve the thrust to weight ratio. The lower wing generated lift from the rotor downwash due to a high angle of incidence and large camber. The helicopter repeatedly lifts off, hovers, does some forward movement, and then touches the ground.
A film titled 'Colorado: land of long look' about places of interest in Colorado, United States. Telephone poles and farmland on the side of the highway in Colorado as seen from a moving car. Highway view of the Rocky Mountains of Colorado. People ride horses. People enjoy their vacations. Close-up view of a man filming a scene using a Kodak Instamatic M30 movie camera or camcorder. A group of youngsters on a vacation. Teenage boys and girls walking, and they drive away in a car.
A film about tourism in Colorado, United States. People enjoy skiing, river rafting, fishing, motor sport, rodeo, and rock climbing in Colorado. A couple in the Great Sand Dunes of Colorado. People milling about on the street. A herd of sheep in the countryside. A Tudor-style mansion with sprawling green lawn. An African American couple walks together. A man rides a bicycle. Cars on a highway. A man near a pond. A view of the Rocky Mountains in Colorado.
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