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A Spectrophotometric Atlas of the Spectrum of CH from 3000A to 5000A

Description: Report of the near ultraviolet and visible emission spectrum of CH presented in the form of a spectrophotometric atlas. The spectrum was recorded photoelectrically from an acetylene-oxygen flame in the region 4900 to 3000 A by use of a high-resolution grating monochromator. Each of the lines in the CH spectrum is identified.
Date: February 14, 1961
Creator: Bass, Arnold M. & Broida, H. P.
Partner: UNT Libraries Government Documents Department

National Atlas of the United States

Description: This is the website for the National Atlas, which provides a comprehensive, maplike view into the enormous wealth of geospatial and geostatistical data collected for the United States. It includes many detailed, interactive maps of the nation on a wide variety of subjects such as the environment, history, government, population, and climate, as well as fully documented digital cartographic datasets and articles. The website was removed from service on September 30, 2014.
Date: September 22, 2014
Creator: United States. Department of the Interior. Geological Survey
Partner: UNT Libraries Digital Projects Unit