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

185258 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 7150, results 178726 - 178750

Show results on a map

Publication Extents

Not all publications have extents, not all extents are completely accurate
Choice of materials most suitable for ballast
Leo Maddalena
1948, Open-File Report 48-17-A
"Choice of materials most suitable for ballast", by Leo Maddalena, describes the properties needed for good railroad ballast material. Important rocks of Italy and general rock types, such as granite, syenite, lavas, sandstones and limestones, are considered with respect to their structure, texture, compaction, accessory elements, porosity, alteration, and strength....
Ground water in the Anadarko area [Caddo County], Oklahoma
Stuart L. Schoff
1948, Open-File Report 48-84
This report offers a preliminary interpretation of the geology and ground-water hydrology of the Anadarko area, Oklahoma. L.V. Davis prepared the accompanying map from aerial photographs and furnished much of the geologic information, and records of the State Mineral Survey (WPA) were used in the preparation of the section on...
Floods in Colorado
Robert Follansbee, Leon R. Sawyer
1948, Water Supply Paper 997
The first records of floods in Colorado antedated the settlement of the State by about 30 years. These were records of floods on the Arkansas and Republican Rivers in 1826. Other floods noted by traders, hunters and emigrants, some of whom were on their way to the Far West, occurred...
Geology of the Southern Guadalupe Mountains, Texas
Philip B. King
1948, Professional Paper 215
This report deals with an area of 425 square miles in the western part of Texas, immediately south of the New Mexico line. The area comprises the south end of the Guadalupe Mountains and the adjacent part of the Delaware Mountains; it includes the highest peaks in the State of...