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External Environmental Radiation Measurements in the United States
Report regarding ion chamber measurements made of the external environmental radiation in various location in the United States during the summer of 1957.
Date:
March 11, 1958
Creator:
Solon, Leonard R.; Lowder, Wayne M.; Zila, Albert; LeVine, H. D.; Blatz, Hanson & Eisenbud, Merril
Object Type:
Report
System:
The UNT Digital Library
Analyses of Coals in the United States with Descriptions of Mine and Field Samples Collected between July 1, 1904 and June 30, 1910: Part 1. -- Analyses
From Significance and value of Analyses of Coal: "The analyses published in this report cover samples of coal collected in many different parts of the country with unusual care by experiences men, in such manner as to make them representative of extensive beds of coal."
Date:
1913
Creator:
Lord, N. W.
Object Type:
Report
System:
The UNT Digital Library
Analyses of Coals in the United States with Descriptions of Mine and Field Samples Collected between July 1, 1904 and June 30, 1910 Part 2. Descriptions of Samples
From Introduction: "This volume contains the descriptions of the samples whose analyses are published in the preceding volume, Part I of this bulletin. The descriptions have been compiled from the notebooks of the persons who collected the samples, have been condensed from accounts given in published reports of the United States Geological Survey, or have furnished by the collection themselves. Inasmuch as the descriptions represent the work of many persons during a period of six years, and inasmuch as they were recorded under widely differing conditions, they necessarily vary in fullness detail."
Date:
1913
Creator:
Lord, N. W.
Object Type:
Report
System:
The UNT Digital Library
United States of North America (central sheet).
Map shows major cities and towns, water sources, military posts, railroads, and major roads for states of North and South Dakota, Nebraska, Kansas, Texas, Minnesota, Iowa, Missouri, Arkansas, and Louisiana, the Indian Territory, and portions of Woming, Colorado, and New Mexico; an outlined area in center of Indian Territory as "Oklahoma" and panhandle as public lands. Relief shown by hachures and spot heights. Scale [1:6,047,811].
Date:
[1889..1891]
Creator:
Johnston, Alexander Keith, 1804-1871
Object Type:
Map
System:
The Portal to Texas History