Jim,

Here's a few links which might help you:

http://www.geometrics.com/sci.html
ftp://geom.geometrics.com/pub/seismic/Literature/s-tr2.pdf
http://www.cflhd.gov/agm/geoApplications/SurfaceMethods/92SeismicMethods.htm
http://www.epa.gov/OUST/pubs/esa-ch3.pdf

and this publication:

Dobecki, T.L. and P.R. Romig. 1985. Geotechnical and groundwater geophysics.
In Geophys., vol. 50, no. 12: 2621-36.

Cool setup, Jim!


Bob
http://apsn.awcable.com


At 04:49 PM 5/16/2006, you wrote:

>Hi, I have  a question about interpretation of
>seismic data for the group. I have built a hammer
>seismic system which incorporates a memory scope. I
>can hammer the ground any number of times and sum the
>returned signal. This gives vastly increased
>sensitivity and immunity to noise. can anyone suggest
>sources of information on how to measure the depth to
>bedrock with this type of device?
>
>I have used the sound card on a pc and piezo disks to
>detect and trigger the data collection.
>
>Best Regards
>
>jim
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