APSRS : aerial photography summary record system.

Bibliographic Details
Corporate Author:	Geological Survey (U.S.). National Mapping Division
Format:	Government Document Serial
Language:	English
Published:	[Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, National Mapping Division.
Subjects:	Aerial photography > Databases. Photographic interpretation > Databases. Aerial reconnaissance > Databases. United States > Aerial photographs > Databases.

Evans: US Documents CD-ROMs (Annex 5th floor)