@booklet {5405,
	title = {KEMP, J.F. and BILLINGSLEY, P. 1921. Sweet Grass Hills, Montana. Bulletin of the Geological Society of America, 32: 437-78},
	year = {1921},
	note = {KEMP, J.F. and BILLINGSLEY, P. 1921. Sweet Grass Hills, Montana. Bulletin of the Geological Society of America, 32: 437-78}
}
