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The Navajo country: A geographic and hydrographic reconnaissance of parts of Arizona, New Mexico, and Utah
To my mind the period of direct contact with nature is the true "heroic age" of human history, an age in which heroic accomplishment and heroic endurance are parts of the daily routine. The activities of people on this stage of progress deserve a place among the cherished traditions of the human race. I believe also that the sanest missionary effort includes an endeavor to assist the uncivilized m
Authors
Herbert E. Gregory
The Pliocene Citronelle Formation of the Gulf Coastal Plain. The flora of the Citronelle Formation
In the spring of 1910 the writer, working under the direction of T. Wayland Vaughan, geologist in charge of Coastal Plain investigations, undertook a study of the later Tertiary formations of the Gulf Coastal Plain. According to the plans outlined before the work was begun, the beds that had formerly been grouped under the names Lafayette formation and Grand Gulf formation were to be studied with
Authors
George Charlton Matson, Edward Wilber Berry
The relation of stream gaging to the science of hydraulics
No abstract available.
Authors
C.H. Pierce, R. W. Davenport
The San Luis Valley, Colorado: Irrigation from Artesian Wells and General Irrigation and Drainage Problems Involved in Land Classification
No abstract available.
Authors
Walter N. White
The United States geological survey and its relation to the United States coast and geodetic survey
No abstract available.
Authors
G. O. Smith
Thirty-seventh annual report of the Director of the United States Geological Survey
The appropriations for the work of the United States Geological Survey for the fiscal year 1915-16 comprised items amounting to $1,570,520. The plan of operations was approved by the Secretary of the Interior, and detailed statements of the work performed are given in this report.
Authors
George Otis Smith
Triangulation and primary traverse, 1913-1915
No abstract available.
Authors
Robert Bradford Marshall
Triangulation and primary traverse, 1913-1915 : Triangulation in California, 1913-1915
No abstract available.
Authors
Robert Bradford Marshall