@book{29075,
	author = {Wayne, William J.},
	title = {Thickness of drift and bedrock physiography of Indiana north of the Wisconsin glacial boundary /},
	publisher = {Geological Survey, Indiana Dept. of Conservation,},
	year = {1956.},
	series = {Indiana.  Geological Survey.  Report of progress},
	address = {Bloomington, Ind. :}
}