Digging up the Past

Digging up the Past is a challenge worth 5 Badass Ranks to "Find all the Dahl ECHO recordings."

There is a total of 4 ECHO Recorders spread out in Stanton's Liver.

Location

 * 1st ECHO Recorder
 * 2nd ECHO Recorder
 * 3rd ECHO Recorder
 * 4th ECHO Recorder
 * 3rd ECHO Recorder
 * 4th ECHO Recorder
 * 4th ECHO Recorder