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I'm trying to get an address (if firm still exists)
or info as to who might have indexes to flights (if it
doesn't) for Delta Aerial Surveys.  I looked on
APSRS cd and didn't locate (as a contributor).
We have some frames from a 6/79 flight of area apparently
near Thornton CA ("New Hope Project ... DAS job #4593").
I'd appreciate any light anyone might be able to shed.
Mary L. Larsgaard, Map & Imagery Lab, Library, UCSB
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