USGS
Seismic Data

Disc 4:
Area 3 Sparker--Lines 11-20

How to download the data.

Sparker File: l11f1 5901 traces:
Start of file: l11f1 SHOT=1 day=274 hour=12 minute=3 sec=44
__End of file: l11f1 SHOT=5901 day=274 hour=12 minute=52 sec=54

Sparker File: l11f2 374 traces:
Start of file: l11f2 SHOT=1 day=274 hour=12 minute=53 sec=8
__End of file: l11f2 SHOT=374 day=274 hour=12 minute=56 sec=14

Sparker File: l11f3 1593 traces:
Start of file: l11f3 SHOT=1 day=274 hour=12 minute=56 sec=34
__End of file: l11f3 SHOT=1593 day=274 hour=13 minute=9 sec=49

Sparker File: l11f4 9214 traces:
Start of file: l11f4 SHOT=1 day=274 hour=13 minute=10 sec=0
__End of file: l11f4 SHOT=9214 day=274 hour=14 minute=26 sec=50

Sparker File: l12f1 18773 traces:
Start of file: l12f1 SHOT=1 day=274 hour=14 minute=29 sec=36
__End of file: l12f1 SHOT=18773 day=274 hour=17 minute=6 sec=4

Sparker File: l13f1 915 traces:
Start of file: l13f1 SHOT=1 day=274 hour=17 minute=47 sec=42
__End of file: l13f1 SHOT=915 day=274 hour=17 minute=55 sec=18

Sparker File: l13f2 15283 traces:
Start of file: l13f2 SHOT=1 day=274 hour=18 minute=0 sec=43
__End of file: l13f2 SHOT=15283 day=274 hour=20 minute=8 sec=7

Sparker File: l14f1 16798 traces:
Start of file: l14f1 SHOT=1 day=274 hour=20 minute=15 sec=43
__End of file: l14f1 SHOT=16798 day=274 hour=22 minute=35 sec=37

Sparker File: l15f1 15697 traces:
Start of file: l15f1 SHOT=1 day=274 hour=22 minute=39 sec=32
__End of file: l15f1 SHOT=15697 day=275 hour=0 minute=50 sec=13

Sparker File: l16f1 19147 traces:
Start of file: l16f1 SHOT=1 day=275 hour=0 minute=54 sec=1
__End of file: l16f1 SHOT=19147 day=275 hour=3 minute=33 sec=32

Sparker File: l17f1 2626 traces:
Start of file: l17f1 SHOT=1 day=275 hour=3 minute=37 sec=12
__End of file: l17f1 SHOT=2626 day=275 hour=3 minute=59 sec=4

Sparker File: l17f2 8778 traces:
Start of file: l17f2 SHOT=1 day=275 hour=3 minute=59 sec=33
__End of file: l17f2 SHOT=8778 day=275 hour=5 minute=12 sec=41

Sparker File: l18f1 5296 traces:
Start of file: l18f1 SHOT=1 day=275 hour=6 minute=15 sec=48
__End of file: l18f1 SHOT=5296 day=275 hour=7 minute=0 sec=0

Sparker File: l18f2 10677 traces:
Start of file: l18f2 SHOT=1 day=275 hour=7 minute=5 sec=38
__End of file: l18f2 SHOT=10677 day=275 hour=8 minute=34 sec=35

Sparker File: l19f1 2259 traces:
Start of file: l19f1 SHOT=1 day=275 hour=8 minute=36 sec=31
__End of file: l19f1 SHOT=2259 day=275 hour=8 minute=55 sec=19

Sparker File: l19f2 16461 traces:
Start of file: l19f2 SHOT=1 day=275 hour=8 minute=56 sec=22
__End of file: l19f2 SHOT=16461 day=275 hour=11 minute=13 sec=29

Sparker File: l19f3 2920 traces:
Start of file: l19f3 SHOT=1 day=275 hour=11 minute=14 sec=9
__End of file: l19f3 SHOT=2920 day=275 hour=11 minute=38 sec=28

Sparker File: l20f1 5251 traces:
Start of file: l20f1 SHOT=1 day=275 hour=11 minute=38 sec=57
__End of file: l20f1 SHOT=5251 day=275 hour=12 minute=22 sec=42

Sparker File: l20f2 6926 traces:
Start of file: l20f2 SHOT=1 day=275 hour=12 minute=57 sec=57
__End of file: l20f2 SHOT=6926 day=275 hour=13 minute=55 sec=39

Sparker File: l20f3 2243 traces:
Start of file: l20f3 SHOT=1 day=275 hour=13 minute=55 sec=59
__End of file: l20f3 SHOT=2243 day=275 hour=14 minute=14 sec=39

There is no boomer or sparker line 21.