@book{7658,
	author = {Whitney, Milton,},
	title = {Tobacco soils of the United States:},
	publisher = {Govt. print. off.,},
	year = {1898.},
	series = {United States. Dept. of agriculture. Division of soils. Bulletin},
	address = {Washington,},
	url = {http://hdl.loc.gov/loc.gdc/scd0001.00026728836}
}