Notes on the Geology of Southwestern Idaho and Southeastern Oregon (open access)

Notes on the Geology of Southwestern Idaho and Southeastern Oregon

From introduction: The aim of the present paper is to put on record such observations relating to the general geology of the region traversed as it is thought may be of interest, more particularly to the people of Idaho and Oregon, and also in certain instances serve to supplement the report referred to on artesian conditions.
Date: 1903
Creator: Russell, Israel C.
System: The UNT Digital Library
The Geology and Petrography of Crater Lake National Park (open access)

The Geology and Petrography of Crater Lake National Park

From introduction: The two papers published here refer practically to the whole region included in the National Park. The one. Part I, treats primarily of the geology, the development of the great volcano, Mount Mazama, and its collapse, which gave birth to Crater Lake; the other, Part II, deals with the petrography, and gives a special description of the various rocks occurring in the park.
Date: 1902
Creator: Diller, Joseph Silas & Patton, Horace Bushnell
System: The UNT Digital Library
Preliminary Report on the Geology and Water Resources of Central Oregon (open access)

Preliminary Report on the Geology and Water Resources of Central Oregon

From introduction: The observations recorded in this paper were made during a rapid reconnaissance from east to west through the central part of Oregon in the summer of 1903, and are in continuation of similar work in the same general region previously done by the author, reports concerning which have been published.
Date: 1905
Creator: Russell, Israel C.
System: The UNT Digital Library