@book{25209,
	author = {Willis, Bailey, and Stose, George Willis, and Geological Survey of Canada},
	title = {Index to the stratigraphy of North America /},
	publisher = {U.S. Gov't. Print. Off.,},
	year = {1912.},
	address = {Washington :},
	note = {"List of contributors to the geologic map of North America and of the sources from  which it has been compiled":  p. 30-56.}
}