Geology of the Little Belt Mountains, Montana: With Notes On the Mineral Deposits of the Neihart, Barker, Yogo, and Other DistrictsLouis Valentine PirssonEsauritoAvvisami
The Formation of Travertine and Siliceous Sinter by the Vegetation of Hot SpringsWalter Harvey WeedEsauritoAvvisami
Geology and Ore Deposits of the Elkhorn Mining District, Jefferson County, MontanaJoseph BarrellEsauritoAvvisami