UAP Reported at Sandia Base, 1948-1950

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10 August 1949
Dr. L1nooln ~
InDtituta of 'Meteoritics
University of New Mexico
Albuqu.erquo, N. :t:.
Doar l.1ncoln:
I a::n lnclos1ng two copies or the report you asked tor, fllld hope
that they oerve their purpose.
\'lo Jiave mado a preliminary ez:eminntion ot tm elghtaon collact1ona
token at nine locatione on my,l!onde.:,• 'l'uesday trip.
!lbere was a large
number of coppor-boar1ng pe.rtiolee on one eolleotion (ll-104L) taken on
Higm1ay 84, seventeen ·mles north ot E1gl:may 66 1 and aoa.ttered occas•
i onal particles throJJ.ghout the series.
The collection teken at tho
Blt"lle location imcodiately' following R- l04L eho'\YD practically no copper.
A 1orge l)art of the n - 104L is of a granular mnterial untamiliar to us, and
, the copper indioat1ona ori,:.inate principal ly 1n l'lhat are e.pparontl'1
aggregations of finely (ona .. meron) granular material of overall sizes
in tho neighborhood of thirty microns.
Some cop_per _part! ,lea, hor.­
ever, appear to be solid nnd o,Paque.
The passage of t-, automobiles while
this oollection uas being made is a complicating fe.ctor.
It is hard
to aee how they mieht he.Ta been a eourco ot coppor, ho,raver, unlean it
nao a question of stirring up aoI!lo :trom dust on the -pavement.
We intend to do some :1"urther chemi.eal work Tii th theee colloctions,
but I doubt if muoh nen relevant information 11111 be obtained.
Hy tentative conclusion is that no ~idcspread significant dispersion
or copper-bea't'ine; particles ,vas present in tbe atmoaphere in the rc"ion
covere.:1 at the timo the eollcct1ons wore made. l,o det1nita statel':lcnt
is possible about the one heavy copper collention: it should be prosumod
to be of local origin until come evidonee to the contrary ic 'found.
~e route at tho collocting trip included Paatura, Santa noaa., junc­
tion of Routes 66 and 84, ond Las ·Ve.:;aa on J!ondey af'ternoon.
On Tuosdey
morning it included. Las Ve3as, Canonr,1to, Glorieto. end
ecos.
Yours vory truly,
mx,~
o.ttaobments (2)
NND 58378