Was it a metal detector or a magnetic locator? The former can only detect down ~12" max. the latter can detect pretty deep depending on the size of the object. I'd guess a drill head could be found 6-10' down.
https://www.engineersupply.com/Schonstedt-Underground-Locators-Explained.aspx#:~:text=Magnetic%20Locators,-You'll%20need&text=A%20surveying%20nail%20you%20can,materials%20are%20not%20considered%20ferrous . On Wed, Sep 30, 2020 at 8:08 AM Chuck McCown <ch...@wbmfg.com> wrote: > They say GPR will not work in our soil. > > Sent from my iPhone > > On Sep 30, 2020, at 6:29 AM, Louis Arsenault <lo...@ntinet.com> wrote: > > > Our water guys can barely find the valves on top of the ground and to find > anything under the ground they use a poking stick until it hits something > then draw a blue line. > This is why we use a GPR to find the water lines but it will pick up > almost all the utilities. > > We use one of these. > https://www.pine-environmental.com/collections/ground-penetrating-radar-gpr/products/mala_easy_locator_offroad > > On Tue, Sep 29, 2020 at 5:51 PM <ch...@wbmfg.com> wrote: > >> Had a drill rod break today. The guys did not know where the end was >> because the sonde went to sleep on them. Had the local water guy go over >> with his metal detector and help them find it. >> >> I am going to ask him what kind he has. Anyone here use them? Any >> opinions? >> -- >> AF mailing list >> AF@af.afmug.com >> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >> > > > -- > -Louis > > NTInet > O: 803-533-1660 X 207 > C: 803-997-0004 > -- > AF mailing list > AF@af.afmug.com > http://af.afmug.com/mailman/listinfo/af_af.afmug.com > > -- > AF mailing list > AF@af.afmug.com > http://af.afmug.com/mailman/listinfo/af_af.afmug.com > -- Carl Peterson *PORT NETWORKS* 401 E Pratt St, Ste 2553 Baltimore, MD 21202 (410) 637-3707
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