Geological Survey (U.S.), O'Neill, J. M., & Tysdal, R. G. (2005). Stratigraphic studies in southwestern Montana and adjacent Idaho--lower Tertiary Anaconda Conglomerate and Mesoproterozoic Gunsight Formation. U.S. Geological Survey.
Chicago Style (17th ed.) CitationGeological Survey (U.S.), J. Michael O'Neill, and Russell G. Tysdal. Stratigraphic Studies in Southwestern Montana and Adjacent Idaho--lower Tertiary Anaconda Conglomerate and Mesoproterozoic Gunsight Formation. Reston, Va.: U.S. Geological Survey, 2005.
MLA (9th ed.) CitationGeological Survey (U.S.), et al. Stratigraphic Studies in Southwestern Montana and Adjacent Idaho--lower Tertiary Anaconda Conglomerate and Mesoproterozoic Gunsight Formation. U.S. Geological Survey, 2005.
Warning: These citations may not always be 100% accurate.