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Map of the University of Pennsylvania (Philadelphia) campus showing locations of traps used to collect wild mice. A, convenience store; B, Rosenthal/Veterinary Hospital of the University of Pennsylvania; C, Hill Pavilion vivarium; D, Biomedical Research Building; E, Stellar–Chance Laboratories; F, High Rise Towers; G, John Morgan Building (Class of 1925 Auditorium); H, Leidy Laboratories of Biology; I, Hayden Hall.
