Boyd, Mark F.2012-01-242012-01-2419202012-01-24http://hdl.handle.net/2152.3/328Debris outside building. Galveston implemented a clean-up campaign on August 3, 1920 to make it easier to control the rat population.5 x 3.5 in. black and white photographimage/jpgen-USBubonic plagueGalveston Plague LaboratoryRats as carriers of diseaseUnited States Public Health Service