Twentieth Century River
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Describes how a plan for the Potomac River Basin is drafted, showing the engineers, scientists, conservationists and other specialists at work. Probes such problems as flood, drought, pollution, sedimentation, development of recreation areas and aquiring lands for parks.
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- 16mm Filmography (legacy record) — title, year, creator, format, sound, description, catalog record
Original permalink · Record added 2023-02-27 06:03:23