Comment 2 for bug 486011

Hank writes:

Here's one that's mostly 1-bit jp2s:

http://www.archive.org/stream/legislativedocu69assegoog

The derive log at http://www.us.archive.org/log_show.php?task_id=41542509 shows which images have what depth. Search down to the ProcessJP2 module, and you'll see an image-by-image breakdown. "1" means 1-bit, "8" means 8-bit grayscale, and "c" means 24-bit color.