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12. Preparing poison bait
13. [U.S. Public Health and Marine Hospital Service workers using pick axes, shovels, and rakes to clean debris from a former backyard rat-nesting area, San Francisco, Calif.]
14. [One safe way of handling a rat, New York, N.Y.]
15. [Dead rats found under boatswains s[ores] (?), New York, N.Y.]
16. [Rat nests inside a valve casing, New York, N.Y.]
17. [U.S. Public Health Service sanitary group (?)]
18. [U.S. Public Health Service officer inspecting a building, New Orleans, La.]
19. [U.S. Public Health Service rat control, New Orleans, La.]
20. [Rat-proofing a building]
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