Skip to main content
U.S. flag

An official website of the United States government

Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Https

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Search Results

164426 results.

Alternate formats: RIS file of the first 3000 search results  |  Download all results as CSV | TSV | Excel  |  RSS feed based on this search  |  JSON version of this page of results

Page 6542, results 163526 - 163550

Show results on a map

Publication Extents

Not all publications have extents, not all extents are completely accurate
The United States Geological Survey, its origin, development, organization, and operations
Water Resources Division, U.S. Geological Survey
1904, Bulletin 227
The United States Geological Survey, in the Department of the Interior, was created by act of Congress approved March 3, 1879, so that March 3, 1904, marks the completion of the twenty-fifth year of its existence. The quarter-century anniversary happens to fall near the date set for the opening of...
Forest conditions in the San Francisco Mountains Forest Reserve, Arizona
J. B. Leiberg, T. F. Rixon, Arthur Dodwell, F. G. Plummer
1904, Professional Paper 22
On April 12, 1902, President Roosevelt issued a proclamation "for the purpose of consolidating into one reserve the lands heretofore embraced in the San Francisco Mountains Forest Reserves and of including therein the other adjacent lands within Francisco Mountains Forest Reserve, and is described by metes and bound as follows: ''Beginning...
The copper deposits of the Encampment District, Wyoming
A.C. Spencer
1904, Professional Paper 25
During the last few years prospecting in the Medicine Bow and Park ranges in northern Colorado and southern Wyoming has proved that copper-bearing minerals occur frequently and are very generally distributed over a wide region in this portion of the Rocky Mountains. This has gradually become known through the discovery...
The geology and ore deposits of the Bisbee quadrangle, Arizona
Frederick Leslie Ransome
1904, Professional Paper 21
The Bisbee quadrangle lies in Cochise County, in the southeastern part of Arizona, within what has been called in a previous paper the mountain region of the Territory. It is inclosed between meridians 109 ° 45' and 110 ° 00' and parallels 31° 30' and 31 ° 20', the latter...
Economic resources of the northern Black Hills
J.D. Irving, S. F. Emmons, T.A. Jaggar Jr.
1904, Professional Paper 26
The mining district of the Black Hills comprised within the Spearfish and Sturgis quadrangles was surveyed geologically in the summers of 1898 and 1899 under the direction of Mr. S. F. Emmons. The following pages present a brief summary of the geologic features, more especially with reference to ore-bearing formations....