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A few comerical dealers of satellite data:
 
        EOSAT-Earth Observation Satellite Co.
        4300 Forbes Road
        Lanham, Md. 20706
 
        SPOT Image Corp.
        1897 Preston White Dr.
        Reston, Va. 22091-4368
 
        Same company but located in France.
 
        SPOT Image
        16 BIS, Avenue Edouard Belin
        F31030
        Toulouse, Cedex, France
 
For the possibility of some aerial photogarphy contact:
 
        DIA
        RTS-1B-FOIA
        Washington, DC 20340-3299
 
The request must include Lat. Long. coord. of the area and an outline
map defining the limits of coverage needed. Depending on the size of
the Park you may want to ask for the availability ofm high alt.
 
 high alt. photos
It would require a lot of photos if they where flown at low alt.
 
John Shanton
ESIC
Reston, Va. 22092