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

36989 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 1386, results 34626 - 34650

Show results on a map

Publication Extents

Not all publications have extents, not all extents are completely accurate
The geology and ore deposits of Upper Mayflower Gulch, Summit County, Colorado
John Alexander Randall
1958, Open-File Report 58-79
Upper Mayflower Gulch is on the highly glaciated western side of the Tenmile Range near Kokomo in central Colorado. Somewhat less than $500,000 in silver and gold has been produced from the area since the first mining in the 1880' s. In the mapped area high grade regional metamorphism has...
Origin of manganese deposits of Busuanga Island, Philippines
Ronald Keith Sorem
1958, Open-File Report 58-98
The manganese deposits of Busuanga Island, Palawan, are tabular and broadly lenticular bodies which lie conformably within a thick sequence of deformed abort beds. The purpose of this study is to determine the probable mode of origin of the deposits. Similar deposits in other parts of the world have been...
Regional gravity survey of the Carrizo Mountains area, Arizona and New Mexico
Donald Plouff
1958, Open-File Report 58-76
A total of 570 gravity stations were established within an area of about 1,000 square miles south of the common corner of Colorado, Utah, Arizona, and New Mexico. The Bouguer gravity anomaly pattern apparently is unrelated to the disposition of minette plugs inasmuch as there probably is little contrast in...
Hydraulic and hydrologic aspects of flood-plain planning
Sulo Werner Wiitala, Karl R. Jetter, Alan J. Sommerville
1958, Open-File Report 58-109
The valid incentives compelling occupation of the flood plain, up to and even into the stream channel, undoubtedly have contributed greatly to the development of the country. But the result has been a heritage of flood disaster, suffering, and enormous costs.Flood destruction awakened a consciousness toward reduction and elimination of...