Image: Mansfield Figure 1
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Description: Figure 1 from USGS Circular 646, a survey of the "Brown Mountain lights" phenomenon, by George R. Mansfield. Mansfield used basic surveying techniques to plot the sources of the Brown Mountain lights on this map, showing that the purportedly mysterious lights were distant car and train headlights in the newly electrified Catawba River valley.
Title: Mansfield Figure 1
Credit: USGS Geological Survey Circular 646 (U.S. Federal Government) URL: https://pubs.usgs.gov/circ/1971/0646/report.pdf
Author: George R. Mansfield (1922, republished 1971)
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
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