Hand ditching for malaria control
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Source: collections.nlm.nih.gov
Video source record: https://collections.nlm.nih.gov/catalog/nlm%3Anlmuid-8800526A-vid
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Summary
| Description | The conditions which necessitate hand-ditching are outlined. The proper engineering and digging techniques for the construction of swamp drainage ditches are presented. Shots include: swamps in South Carolina; inspector in a swamp dipping for larvae; putting the larvae in vials for shipment to a laboratory; spray larvaciding on foot; surveying the swamp for ditching; work crews digging drainage ditches; swamp water running through the ditches; intersections of the ditches. Received: May 29, 1956 as a donation from USPHS. |
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| Source | collections.nlm.nih.gov |
| Author | Communicable Disease Center (U.S.), South Carolina State Board of Health., United States. Public Health Service. |
Licensing
Public Domain
Attribution: Communicable Disease Center (U.S.), South Carolina State Board of Health., United States. Public Health Service.