Thiagarajan, B., Y. Bai, K. L. Gage, and J. F. Cully, Jr. 2008. Prevalence of Yersinia pestis in rdents and fleas associated with black-tailed prairie dogs at Thunder Basin National Grassland, Wyoming. Journal of Wildlife Diseases 44:731-736.
This link will direct you to a non-government website that may have different privacy
policies from those of the U.S. Geological Survey.