Boyd, Mark F.2012-01-232012-01-2319202012-01-23http://hdl.handle.net/2152.3/317Rat trapper with bucket and traps. Rat trappers carried a bucket, can of oil, file, and wire brush to ensure the traps were in the best working condition.3 x 2 in. black-and-white photographimage/jpegen-USBubonic plagueExterminationGalveston Plague LaboratoryRat trappingRats – ControlUnited States Public Health Service