@book{11334,
	author = {Kellogg, Charles E. and Nygard, Iver J.},
	title = {Exploratory study of the principal soil groups of Alaska,},
	publisher = {[U.S. Govt. Print. Off.]},
	year = {1951.},
	series = {United States. Dept. of Agriculture. Agriculture monograph},
	address = {Washington}
}