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A Late Volcanic Eruption in Northern California and its Peculiar Lava

Description: Synopsis: The Lassen Peak, Volcanic Ridge, which connects the northern end of the Sierra Nevada in California with the Coast Range and separates the upper portion of the Sacramento Valley from the great interior basin, is composed chiefly of lavas from many volcanic reuptions.
Date: 1891
Creator: Diller, J. S.

The Death Valley Expedition: A Biological Survey of Parts of California, Nevada, Arizona, and Utah, Part 2

Description: Collection of reports on Death Valley, the bordering region of California, Nevada, Arizona, and Utah. Reports include birds, reptiles and Batrachians, fishes, insects, mollusks, trees and shrubs, cactuses and yuccas, and list of localities in the reports.
Date: May 31, 1893
Creator: Fisher, A. K.; Stejneger, Leonhard; Gilbert, Charles H.; Riley, C. V.; Stearns, R. E. C.; Merriam, C. Hart et al.

Results of a Biological Survey of Mount Shasta California

Description: From introduction: "Biological survey of northern California from the Madeline Plains to the Pacific Ocean and from the Oregon boundary to Lassen Butte and parts of the Sierra, with Mount Shasta occupying a nearly central position."
Date: October 28, 1899
Creator: Merriam, C. Hart

The Geology and Petrography of Crater Lake National Park

Description: 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

Preliminary Report on the Ketchikan Mining District, Alaska, with an Introductory Sketch of the Geology of Southeastern Alaska

Description: From introduction: Since 1898 the United States Geological Survey has been carrying on a systematic investigation of the mineral resources of Alaska.As the northern mining districts of southeastern Alaska had already been the subject of an investigation by Dr. Becker in 1895,a and as the Ketchikan district was being rapidly developed, it was decided to spend the greater part of the short season in the Ketchikan district and in the fall to make a more hasty reconnaissance of the northern belt, in order to obtain a general familiarity with the region and, if possible, to establish some correlations. This plan was carried out, and the results of the work are embodied in the following report.
Date: 1902
Creator: Brooks, Alfred Hulse

A Reconnaissance of the Northwestern Portion of Seward Peninsula, Alaska

Description: From introduction: In response to an urgent demand by the public, the Geological Survey, in 1900, undertook a topographic and geologic reconnaissance of the southern half of the Seward Peninsula.( The area mapped embraced the more important gold fields of the peninsula. The topographic map made in 1900 included the drainage of Bering Sea from Cape Darby to Port Clarence, the southern drainage of Grantley Harbor and Imuruk Basin, and the northern drainage of Norton Sound. A geologic reconnaissance was also made of the York mining district and of part of the Kuzitrin drainage.
Date: 1902
Creator: Collier, Arthur J.

The Coal Resources of the Yukon, Alaska

Description: An examination of coal deposits along the Yukon River conducted in 1902 mostly along the river banks from Dawson, Yukon to the delta.
Date: 1903
Creator: Collier, Arthur J.

Notes on the Geology of Southwestern Idaho and Southeastern Oregon

Description: 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.

The Tin Deposits of the York Region, Alaska

Description: From introduction: It is the purpose of this bulletin to combine the results obtained by the USGS parties that have visited the region, together with the information derived from a study of specimens of tin ores and associated minerals recently brought from the York region by outside parties.
Date: 1904
Creator: Collier, Arthur J.