Public Health Service Investigation Commission to the China-Burma highway, Chefang (vicinity), China. Testing for anopheles minimus inlet and outlet irrigation ditches. No minimus were found in the ditch that is damned up, yet there were many in the ditch where water is flowing
Summary
Public domain photograph related to Chinese history, free to use, no copyright restrictions image - Picryl description
Tags
Date
01/01/1939
Location
Chefang, 31.24482, 120.74899
Source
Library of Congress
Copyright info
No known restrictions on images made by the U.S. government; images copied from other sources may be restricted. For information, see U.S. Farm Security Administration/Office of War Information Black & White Photographs http://www.loc.gov/rr/print/res/071_fsab.html