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            Mountain early in the winter of 1915. and in the spring of 1916 and
 attempted to determine the character
 and source of the lights. The members
 of these expeditions made some inter-
 esting observations but did not sat-
 isfactorily achieve their object.
 Mr. H. C. Martin. of Lenoir. statesthat on April 11, 1916, he and Dr.
 L. H. Coffey organized an expedition
 to study the Brown Mountain light.
 Mr. Martin's party went to Adams
 Mountain. Dr. Coffey's party went to
 Brown Mountain. Each party subdivided
 into several groups and signals were
 arranged that whichever group first
 saw the light should fire a pistol.
 Dr. Coffey's party saw the light over
 the summit of Adams Mountain at 8:10
 and again at 9:45. over a point some-
 what farther south. About 5:10 a.m.
 they saw the light again over the
 south end of Adams Mountain. None of
 these appearances was seen by Mr.
 Martin's party, but about 11:52 his
 party saw two lights (floating
 globes) , "apparently about the size
 of ordinary street lamps of Lenoir
 seen from the distance of about 1
 mile," flash out among the trees on
 the east side of Brown Mountain about
 one-eighth of the distance down from
 the summit. These lights moved hori-
 zontally southeastward, floating in
 and out of the ravines, along the
 mountainside past a dead pine tree in
 Mr. Martin's line of sight for a dis-
 tance estimated at 2 miles. Then they
 returned northwestward about half
 that distance, again passing the line
 of the dead tree. At 12:13 the lights
 disappeared as sudderily as they came.
 These lights were not seen by Dr.
 Coffey's party.
 In the summer of 1916, a greatflood swept down the valley of
 Catawba River, washing out bridges
 and railroad tracks and suspending
 all railroad traffic in and about
 Morganton, so that for several weeks
 no trains came within 40 or 50 miles
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            Rattlesnake Knob, yet during that period the lights were reported to be
 seen as usual. This fact showed that
 the Brown Mountain lights could not
 be ascribed solely to locomotive
 headlights.
 Late in 1919 the question of theorigin of the Brown Mountain light
 was brought to the attention of the
 Smithsonian Institution and referred
 to the U.S. Weather Bureau. Descrip-
 tions given in letters from trust-
 worthy observers led Dr. W. J.
 Humphreys, of that Bureau, to decide
 that the light was an electrical dis-
 charge analogous to the "Andes light"
 of South America. This Andes light
 and its possible relation to the
 Brown Mountain light became the sub-
 ject of a paper presented by Dr.
 Herbert Lyman before a meeting of the
 American Meteorological Society held
 at the Weather Bureau in Washington
 in April l921. Soon thereafter the
 suggestions of the physicists of the
 Weather Bureau were embodied in a
 bulletin on the Brown Mountain light
 issued by the National Geographic
 Society, in which this light was rep-
 resented as a manifestation of the
 Andes light. Neither the Weather
 Bureau nor the National Geographic
 Society, however, had sent an inves-
 tigator to Brown Mountain to observe
 the lights.
 REVIEW OF EARLIER OBSERVATIONS
 Those who have-seen the lights from
 the south or east may with justice
 contend that no locomotive headlights
 can be seen to the north and north-
 west. A good topographic map, however,
 shows many roads on which an auto-
 mobile headlight might intervene
 between an observer and Brown Moun-
 tain in such a way as to give much
 the same effect that one would get in
 viewing it over the mountain from
 Loven's or Blowing Rock
 .
 There are two buildings on the sum-
 mit of Brown Mountain. One of these
 
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