@booklet {5446,
	title = {WITKIND, I.J. 1973. Igneous rocks and related mineral deposits of the Barker Quadrangle, Little Belt Mountains, Montana. Professional Paper, United States Geological Survey, 752: 1-58},
	year = {1973},
	note = {WITKIND, I.J. 1973. Igneous rocks and related mineral deposits of the Barker Quadrangle, Little Belt Mountains, Montana. Professional Paper, United States Geological Survey, 752: 1-58}
}
