Raindrops and soil erosion.

Duration: 760

Year Published: 1947

Format: 16mm

Sound: sound

Description: P: Preservation Material NT: Negative Track AC: Acetate B: 800' 16/8/9.5mm 16mm Color Sound 760 Calvin Productions, Inc. , Shows the action of individual raindrops on uncovered soil and emphasizes the need for soil and water conservation methods.

Complete Record: Shows the action of individual raindrops on uncovered soil and emphasizes the need for soil and water conservation methods. NOTE: Two (or more) records have been merged together to create this data.

2 users have this film:
Library of Congress, Prelinger Archives

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Original permalink · Record added: 2023-11-09 16:49:04