@booklet {5597,
	title = {HEINRICH, E.W. and SHAPPIRIO, J.R. 1966. Alkalic rocks and carbonatites of the Arkansas River Canyon, Fremont County, Colorado. 3. The Amethyst carbonatites. American Mineralogist, 51: 1088-106.},
	year = {1966},
	note = {HEINRICH, E.W. and SHAPPIRIO, J.R. 1966. Alkalic rocks and carbonatites of the Arkansas River Canyon, Fremont County, Colorado. 3. The Amethyst carbonatites. American Mineralogist, 51: 1088-106.}
}
