Re: Another interesting find

Message posted by Scot Tway on June 16, 2007 at 21:02:25 PST:

This document tends to re-enforce the Seismic nature of what Joerg photographed.

Attached link: Methods of Installing United States National Seismographic Network (USNSN) Stations -- A Construction Manual

In Reply to: Re: Another interesting find posted by BobR on June 16, 2007 at 0:35:11 PST:

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