<div dir="ltr"><div class="gmail_extra"><br><div class="gmail_quote">On Thu, May 3, 2018 at 2:24 PM, Edward H. Lybarger <span dir="ltr"><<a href="mailto:trams2@comcast.net" target="_blank">trams2@comcast.net</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">How difficult would it have been in those days to drill a hole 900 (or 1000,<br>
as quoted earlier) feet down for the counterweight?  Coal mines reached<br>
several hundred feet down, but those were dug shafts.<br><br></blockquote><div><br></div><div>An oil well style hole? Well, in 1890 1100 foot wells existed:<br><a href="https://books.google.com/books?id=PrFHAQAAMAAJ&pg=PA103&lpg=PA103&dq=oil+well+drilled+1890+%22depth+of%22&source=bl&ots=qzkTZMt2jW&sig=E8zg-xxBlwwUpgCz2pEnaitHhJA&hl=en&sa=X&ved=0ahUKEwit24WEq-raAhXrxlQKHeXEBVEQ6AEIgQEwBw#v=onepage&q=oil%20well%20drilled%201890%20%22depth%20of%22&f=false">https://books.google.com/books?id=PrFHAQAAMAAJ&pg=PA103&lpg=PA103&dq=oil+well+drilled+1890+%22depth+of%22&source=bl&ots=qzkTZMt2jW&sig=E8zg-xxBlwwUpgCz2pEnaitHhJA&hl=en&sa=X&ved=0ahUKEwit24WEq-raAhXrxlQKHeXEBVEQ6AEIgQEwBw#v=onepage&q=oil%20well%20drilled%201890%20%22depth%20of%22&f=false</a><br><br></div></div>-- <br><div class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr">Daria Phoebe Brashear<br></div><div>AuriStor, Inc<br></div><div><a href="http://dariaphoebe.com" target="_blank">dariaphoebe.com</a><br><br></div></div></div></div></div></div>
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