@article {70816,
	title = {Correlation of the Silurian Formations of North America},
	journal = {Bulletin of the Geological Society of America},
	volume = {53},
	year = {1942},
	pages = {533-538},
	keywords = {North America, stratigraphy},
	author = {Swartz, Charles K. and Alcock, F. J. and Butts, Charles and Chadwick, G. H. and Cumings, E. R. and Decker, C. E. and Ehlers, G. M. and Foerste, A. F. and Gillette, T. and Kindle, E. M. and Kirk, Edwin and Northrop, S. A. and Prouty, W. F. and Savage, T. E. and Shrock, R. R. and Swartz, F. M. and Twenhofel, W.H. and Williams, M. Y.}
}
