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history of medicine,
history of public health,
environmental health,
environmental history,
US history,
global health history,
pesticides,
vaccines,
infectious disease,
epidemics,
science communication,
public understanding of science,
measles,
mumps,
chicken pox,
hepatitis B,
HPV,
smallpox,
polio
climate change,
endangered species,
rangelands,
political ecology,
pastoralism,
ranching,
environmental history,
suburbanization,
human-environment interactions,
environmental geography,
range science and management,
Southwestern US,
scale,
community-based conservation