@book{27549,
	author = {Ellsworth, Clarence E.},
	title = {Summary of records of surface waters of Texas, 1898-1937,},
	publisher = {Govt. print. off.,},
	year = {1939.},
	series = {U. S. Geological survey.  Water-supply paper 850.},
	address = {Washington,},
	note = {At head of title:  United States Department of the interior... Geological survey...}
}