Note 1 — GEOLOGIC RELATIONS.
Reading edition
Hague, Arnold, Early Tertiary Volcanoes of the Absaroka Range: Geol. Soc. Wash., Presidential Address, 1899, p. 4.
Reading edition
Hague, Arnold, Early Tertiary Volcanoes of the Absaroka Range: Geol. Soc. Wash., Presidential Address, 1899, p. 4.