Problems of Conservation: Water

Duration: 500 ft.

Year Published: 1960

Creator: ?Encyclopedia Britannica ebec

Complete Record: Welcome to California border drive thru, scientist in lab drinks liquid, beakers, water storage, beaches, dirty water, pollution signs, dead fish on beach, sewage treatment, water purification, guy in hardhat tests and drinks water, people on city street, girl drinking from fountain, desert, scientists in lab - 2 shots, one with beakers, other with microscope

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