The Geology of the Little Rocky Mountains
W.H. Weed, L.V. Pirsson 1896 Journal of Geology v4 p 399-428

This article describes the geology of the Little Rocky Mountains in north central Montana. The piece describes geologic structures, sedimentary rocks, fossils, igneous rocks, and ore deposits of the area in detail.

This resource is referenced here:
Subject: Geoscience:Geology:Sedimentary Geology
Resource Type: Scientific Resources:Overview/Reference Work, Journal Article
Topics: Time/Earth History, Earth surface:Sedimentary Geology, Solid Earth, Earth surface