Coal and iron ore
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Discusses the supply of coal and iron ore in the United States. States that America has 4000 years supply of coal--this in spite of the fact that the U.S. produces thirty per cent of the world's supply. Points out that the reason for this large supply is that our mines are five times as productive as those of other nations. Uses maps to show the location and size of our supplies of iron ore. (WOI-TV) Kinescope.
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- 16mm Filmography (legacy record) — title, year, creator, format, genre, description, catalog record
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