Argent, D.G., R. F. Carline and J. R. Stauffer, Jr. 1998. Changes in the distribution of Pennsylvania Fishes: the last 100 years. Journal of the Pennsylvania Academy of Sciences: 72:32-37.
Argent, D.G., R. F. Carline and J. R. Stauffer, Jr. 1998. Changes in the distribution of Pennsylvania Fishes: the last 100 years. Journal of the Pennsylvania Academy of Sciences: 72:32-37.