Synopsis
Civilian Conservation Corps units drain mosquito-infested swamps on Delaware farms by digging drainage ditches leading away from the marshy areas. Stagnant ponds and streams, mosquito breeding places, are freshened by pumping fresh water into the stagnant water areas. The fresh water kills the mosquito larvae. National Archives Identifier: 7396 Creator(s): Department of Agriculture. Federal Extension Service. (Most Recent) From: * Series: Motion Picture Films, compiled ca. 1915 - ca. 1959 *…
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Details
- Running time
- 8 minutes
