This text file output by bigmap contains a list of all the images that were used in creating the most recently made bigmap.
Note: This file contains limb images in addition to images used for stereo and photoclinometry
Here is a sample USED_PICS.TXT file:
P595733646F2 P595733662F2 P595467488F2 P595467677F2 P595467866F2 P595468055F2 P595652545F2 P595652849F2 P595653154F2 END
(Compiled by TC) (Edited by JRW)