@book{7768,
	author = {United States.},
	title = {Instructions to special river and rainfall observers of the Weather bureau ...},
	publisher = {Govt. print. off.,},
	year = {1909.},
	address = {Washington,},
	note = {W. B. no. 415.},
	url = {http://hdl.loc.gov/loc.gdc/scd0001.00199536382}
}