These links to maps of surface soil type may be helpful, giving general information about soil depth, although they do not exactly answer the question.
https://pubs.usgs.gov/publication/sim3402 (overview) https://pubs.usgs.gov/sim/3402/sim3402_quadrangle/104_Concord.pdf (map including Lincoln) Generally, the higher elevations west of Sandy Pond are classified as "thin till" while the lower elevations are "stratified". You will see around town many places where bedrock is exposed (solid red) or very shallow (red lines). John Carr On Fri, Dec 6, 2024 at 12:18 PM Terry Kay Epperson <terry.k.epper...@gmail.com> wrote: > > Good afternoon, Lincoln! > > I met with the boring company this morning in prep for our geothermal > conversion, and he said that it would be helpful to know the depth of ledge > in our general area. Since we don't have a well, we don't have that > information for our exact area on Goose Pond, near Sandy Pond. If you have a > well, do you mind sharing the information of ledge depth with me? Apparently > the depth of ledge somewhere along Tower Road is at 50 ft (according to well > data shared personally). In this case, the closer to the surface the ledge > is, the better. I spoke with Board of Health/Town Hall, and they don't have > the ledge data. They simply keep a list of well addresses. If you have a > well or ledge data for your property, it would be helpful! I can also > compile a list of depths and general areas for the list kept for > recommendations, or I can give the compilation to the Board of Health/Town > Hall if they are interested. > > warm regards, > Terry Kay > -- > The LincolnTalk mailing list. > To post, send mail to Lincoln@lincolntalk.org. > Browse the archives at https://pairlist9.pair.net/mailman/private/lincoln/. > Change your subscription settings at > https://pairlist9.pair.net/mailman/listinfo/lincoln. > -- The LincolnTalk mailing list. To post, send mail to Lincoln@lincolntalk.org. Browse the archives at https://pairlist9.pair.net/mailman/private/lincoln/. Change your subscription settings at https://pairlist9.pair.net/mailman/listinfo/lincoln.
