DEAR ART:

• Document Type: CREST
• Collection: NGA Records (Formerly NIMA)
• Document Number (FOIA) /ESDN (CREST): CIA-RDP78B04747A000100030007-1
• Release Decision: RIFPUB
• Original Classification: K
• Document Page Count: 1
• Document Creation Date: December 28, 2016
• Document Release Date: July 21, 2000
• Sequence Number: 7
• Publication Date: December 19, 1962
• Content Type: LETTER

roved For Relea2000/08/22 : CIA-RDP78130474000100030007-1
UNITED STATES
DEPARTMENT OF THE INTERIOR
GEOLOGICAL SURVEY
WASHINGTON 25, D. C.
December 19, 1962
*DOI Waiver In ERU File*
Dear Art: s
A group of maps on which infrared are
attached. The location of the five (5) quadrangles. The
shown with X's on three (3) quadrangles will be furnished in
location of caves in the remaining qof the area was flown
the near future. The northwest-southeast part the p
of th at an altitude of 6000mfeet
wassflawnvat;3000 feet aboveeseaelevel,
Lurayabove
from
r the area at
extending southwest
and one additional line was flown down the center
feet above terrain. Images were produced es micron
and 8 to 14 micron wavelengths; two sets of imag ereture
anded, one set solo bcalrconsunset ditionsnwereemonitoredacontinuously
and during other g approximately 30 selected stations within
during the days of flying at gpat ion will be undertaken
the area. Further meteorological investigation
measurements were
after the images are received. Prior to flight, made of the reflection-absorption characteristiccseseleectedoareasmandr.
rock units using the Corps of Engineers' "portab"
An attempt to obtain color photographs was frustrated by a mal-
functioning photographer. Complete laboratory studies of rock samples
from the area are now underway. some It would be helpful to us if the were theiroimagery.
test flying in this area and supply
We would be very happy to make all of our background data available
available as soon as it is received.
and will make copies of our imagery possible for one of your staff to join
Further,we hope that it will be p
us at the University of Michigan to participate in our experiments with
the magnetic tape records produced in connection with the infrared
imagery.
Sincerely yours,
William A. Fischer Geophysics
Branch of Theoretical Geophy
Approved For Release 2000/08/22 : CIA-RDP78BO4747A000100030007-1