@book{26654,
	author = {Simpson, Howard E.},
	title = {A method of water prospecting,},
	year = {1927.},
	series = {North Dakota. Geological Survey. Bulletin  6},
	address = {Grand Forks, N. Dak.,},
	note = {At head of title: Artesian water conservation fund: Artesian water paper no. 4.}
}