#2 pits (5/1776):

4: #2 and #3 July 25
3: #0StopMeasuring
2: #0Reactor-fast-neutrons-13
1: *

6: #3 and #4 probably June 2
7: #3 blowing separate side cloud
8: #3 blowing side cloud zoom
9: AppleMark
10: #3 close-up
11: #3 explained.
12: #3 March 23 smoking
13: CREATOR: gd-jpeg v1.0 (using IJG JPEG v62), quality = 80
14: #4 Aug 3
15: #4 N W corner