@book{12557,
	author = {United States. and Spears, Clayton F. and Colorado Agricultural Experiment Station.},
	title = {Soil survey, Morgan County, Colorado},
	publisher = {For sale by the Supt. of Docs., U.S. Govt. Print. Off.]},
	year = {1968.},
	address = {Washington,},
	note = {Cover title.}
}