@article {1533,
	title = {Chapter B--Field Trip Day 2: Quaternary Geology of Lake Alamosa and the Costilla Plain, southern Colorado},
	year = {2007},
	note = {id: 626},
	month = {2007},
	author = {Machette, M. N. and Marchetti, D. W. and Thompson, R. A. and Kirkham, R. M.},
	editor = {Machette, M. N.}
}
@article {1360,
	title = {Preliminary geologic map of the north-central part of the Alamosa 1/2 degree x 1 degree quadrangle, Alamosa and Conejos Counties, Colorado},
	year = {2007},
	note = {id: 629; 1 sheet, 1:50,000 scale},
	month = {2007},
	publisher = {U. S. Geological Survey Open-File Report},
	author = {Machette, M. N. and Thompson, R. A.}
}
