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U.S. Geological Survey Data Series 421

Big Lake Seismic Profiles


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Below are thumbnail images of each line with links to full-size printable and interactive seismic reflection profiles. The printable profiles are GIF images that were filtered and gained using Seismic Unix software. These images are stored in the PRINTABLE folder. Refer to the Software page for details about the processing and examples of the processing scripts. The processed SEG-Y data were exported to CTI SonarWeb software to produce interactive versions of the profiles that allow the user to obtain a geographic location and depth for a cursor position on the profile. This information is displayed in the status bar of the browser. The interactive profiles, which are stored in the INTERACTIVE folder, have been corrected for the offset between the shotpoint and GPS antenna (see fig. 1).

The Big Lake map illustrates the locations of the interactive and printable profiles presented below.

Table 2 lists trackline statistics for 08LCA01.

NOTE: The only supported Web browsers that properly display all features of the interactive profiles are Internet Explorer 6 or greater for Windows and Firefox 1.5 or greater for all platforms. Use of other browsers may result in spurious or no information given in the status window. Firefox may be downloaded at http://www.mozilla.org/products/firefox.

Browser setup for viewing interactive profiles:
For all browsers, the status bar and JavaScript must be enabled. Firefox also requires "Change status bar text" to be checked under Advanced JavaScript Options.

If using Internet Explorer 7, Active Content/ActiveX controls must be disabled. Instructions for doing this can be found by clicking on the "details and setup" link on the interactive profile pages.


SEG-Y Format
How to Download SEG-Y Data
FGDC Metadata


Additional Seismic Profile Pages:

Lake Colby | Lake Helen | Trout Lake | Lake Searcy | Lake Saunders | Big Lake | Lake Prevatt | Three Island Lakes | Johns Lake | Lake Avalon


Line: 08b54  3409 traces:
Start of line:   08b54     SHOT=1   day=86 hour=13  minute=13  sec=36
End of line:   08b54  SHOT=3409   day=86 hour=13  minute=42   sec=0
INTERACTIVE | PRINTABLE
08b54 thumbnail

Line: 08b55   656 traces:
Start of line:   08b55     SHOT=1   day=86 hour=13  minute=42   sec=1
End of line:   08b55   SHOT=656   day=86 hour=13  minute=47  sec=28
INTERACTIVE | PRINTABLE
08b55 thumbnail

Line: 08b56   790 traces:
Start of line:   08b56     SHOT=1   day=86 hour=13  minute=47  sec=29
End of line:   08b56   SHOT=790   day=86 hour=13  minute=54   sec=3
INTERACTIVE | PRINTABLE
08b56 thumbnail

Line: 08b57   332 traces:
Start of line:   08b57     SHOT=1   day=86 hour=13  minute=54   sec=4
End of line:   08b57   SHOT=332   day=86 hour=13  minute=56  sec=49
INTERACTIVE | PRINTABLE
08b57 thumbnail

Line: 08b58   526 traces:
Start of line:   08b58     SHOT=1   day=86 hour=13  minute=56  sec=50
End of line:   08b58   SHOT=526   day=86 hour=14   minute=1  sec=12
INTERACTIVE | PRINTABLE
08b58 thumbnail

Line: 08b59   678 traces:
Start of line:   08b59     SHOT=1   day=86 hour=14   minute=1  sec=13
End of line:   08b59   SHOT=678   day=86 hour=14   minute=6  sec=51
INTERACTIVE | PRINTABLE
08b59 thumbnail

Line: 08b60   396 traces:
Start of line:   08b60     SHOT=1   day=86 hour=14   minute=6  sec=52
End of line:   08b60   SHOT=396   day=86 hour=14  minute=10   sec=9
INTERACTIVE | PRINTABLE
08b60 thumbnail

Line: 08b61   492 traces:
Start of line:   08b61     SHOT=1   day=86 hour=14  minute=10  sec=10
End of line:   08b61   SHOT=492   day=86 hour=14  minute=14  sec=15
INTERACTIVE | PRINTABLE
08b61 thumbnail

Line: 08b62  1172 traces:
Start of line:   08b62     SHOT=1   day=86 hour=14  minute=14  sec=16
End of line:   08b62  SHOT=1172   day=86 hour=14  minute=24   sec=1
INTERACTIVE | PRINTABLE
08b62 thumbnail

Line: 08b63   983 traces:
Start of line:   08b63     SHOT=1   day=86 hour=14  minute=24   sec=2
End of line:   08b63   SHOT=983   day=86 hour=14  minute=32  sec=13
INTERACTIVE | PRINTABLE
08b63 thumbnail

Line: 08b64   906 traces:
Start of line:   08b64     SHOT=1   day=86 hour=14  minute=32  sec=13
End of line:   08b64   SHOT=906   day=86 hour=14  minute=39  sec=46
INTERACTIVE | PRINTABLE
08b64 thumbnail

Line: 08b65   554 traces:
Start of line:   08b65     SHOT=1   day=86 hour=14  minute=39  sec=46
End of line:   08b65   SHOT=554   day=86 hour=14  minute=44  sec=23
INTERACTIVE | PRINTABLE
08b65 thumbnail

Line: 08b66   464 traces:
Start of line:   08b66     SHOT=1   day=86 hour=14  minute=44  sec=23
End of line:   08b66   SHOT=464   day=86 hour=14  minute=48  sec=15
INTERACTIVE | PRINTABLE
08b66 thumbnail

Line: 08b67   380 traces:
Start of line:   08b67     SHOT=1   day=86 hour=14  minute=48  sec=15
End of line:   08b67   SHOT=380   day=86 hour=14  minute=51  sec=25
INTERACTIVE | PRINTABLE
08b67 thumbnail

Line: 08b68   729 traces:
Start of line:   08b68     SHOT=1   day=86 hour=14  minute=51  sec=25
End of line:   08b68   SHOT=729   day=86 hour=14  minute=57  sec=29
INTERACTIVE | PRINTABLE
08b68 thumbnail

Line: 08b69   578 traces:
Start of line:   08b69     SHOT=1   day=86 hour=14  minute=57  sec=30
End of line:   08b69   SHOT=578   day=86 hour=15   minute=2  sec=18
INTERACTIVE | PRINTABLE
08b69 thumbnail

Line: 08b70   758 traces:
Start of line:   08b70     SHOT=1   day=86 hour=15   minute=2  sec=19
End of line:   08b70   SHOT=758   day=86 hour=15   minute=8  sec=37
INTERACTIVE | PRINTABLE
08b70 thumbnail

Line: 08b71   446 traces:
Start of line:   08b71     SHOT=1   day=86 hour=15   minute=8  sec=38
End of line:   08b71   SHOT=446   day=86 hour=15  minute=12  sec=20
INTERACTIVE | PRINTABLE
08b71 thumbnail


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