<?xml version="1.0" encoding="UTF-8"?>
<record
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://www.loc.gov/MARC21/slim http://www.loc.gov/standards/marcxml/schema/MARC21slim.xsd"
    xmlns="http://www.loc.gov/MARC21/slim">

  <leader>02197cam a22003133u 4500</leader>
  <controlfield tag="001">21083</controlfield>
  <controlfield tag="003">UtSlPG</controlfield>
  <controlfield tag="005">20260610133504.0</controlfield>
  <controlfield tag="006">m</controlfield>
  <controlfield tag="007">cr n</controlfield>
  <controlfield tag="008">260607r2007||||utu|||||o|||||||||||||| d</controlfield>
  <datafield tag="040" ind1=" " ind2=" ">
    <subfield code="a">UtSlPG</subfield>
  </datafield>
  <datafield tag="041" ind1=" " ind2="7">
    <subfield code="a">en</subfield>
    <subfield code="2">iso639-1</subfield>
  </datafield>
  <datafield tag="050" ind1=" " ind2="4">
    <subfield code="a">TA</subfield>
  </datafield>
  <datafield tag="100" ind1="1" ind2=" ">
    <subfield code="a">Lavis, F.</subfield>
  </datafield>
  <datafield tag="245" ind1="1" ind2="0">
    <subfield code="a">Transactions of the American Society of Civil Engineers, vol. LXVIII, Sept. 1910 :</subfield>
    <subfield code="b">The Bergen Hill Tunnels. Paper No. 1154</subfield>
  </datafield>
  <datafield tag="264" ind1=" " ind2="1">
    <subfield code="a">Salt Lake City, UT :</subfield>
    <subfield code="b">Project Gutenberg,</subfield>
    <subfield code="c">2007</subfield>
  </datafield>
  <datafield tag="300" ind1=" " ind2=" ">
    <subfield code="a">1 online resource :</subfield>
    <subfield code="b">multiple file formats</subfield>
  </datafield>
  <datafield tag="336" ind1=" " ind2=" ">
    <subfield code="a">text</subfield>
    <subfield code="b">txt</subfield>
    <subfield code="2">rdacontent</subfield>
  </datafield>
  <datafield tag="337" ind1=" " ind2=" ">
    <subfield code="a">computer</subfield>
    <subfield code="b">c</subfield>
    <subfield code="2">rdamedia</subfield>
  </datafield>
  <datafield tag="338" ind1=" " ind2=" ">
    <subfield code="a">online resource</subfield>
    <subfield code="b">cr</subfield>
    <subfield code="2">rdacarrier</subfield>
  </datafield>
  <datafield tag="500" ind1=" " ind2=" ">
    <subfield code="a">Release date is 2007-04-15</subfield>
  </datafield>
  <datafield tag="508" ind1=" " ind2=" ">
    <subfield code="a">Produced by Louise Hope, Juliet Sutherland and the Online
Distributed Proofreading Team at http://www.pgdp.net</subfield>
  </datafield>
  <datafield tag="520" ind1=" " ind2=" ">
    <subfield code="a">"Transactions of the American Society of Civil Engineers, vol. LXVIII, Sept.&#x2026;" is a scientific publication written in the early 20th century. It details the engineering efforts associated with the construction of the New York Tunnel Extension of the Pennsylvania Railroad, specifically focusing on the Bergen Hill Tunnels. The likely topic of this work encompasses the technical specifications, construction methods, and geological considerations involved in the tunnel's excavation and lining.  The opening of this volume introduces the project by specifying its location, key contractors, and historical context, including challenges faced during construction and geological assessments. It outlines the design of the tunnels, including critical measurements and construction methods implemented for excavation and tunnel safety. The text also provides detailed insights into geological formations encountered, excavation techniques, and the equipment used, setting the stage for a comprehensive exploration of civil engineering practices of that era. (This is an automatically generated summary.)</subfield>
  </datafield>
  <datafield tag="534" ind1=" " ind2=" ">
    <subfield code="n">Original publication data not identified</subfield>
  </datafield>
  <datafield tag="653" ind1=" " ind2=" ">
    <subfield code="a">Civil engineering -- Periodicals</subfield>
  </datafield>
  <datafield tag="653" ind1=" " ind2=" ">
    <subfield code="a">Railroad tunnels -- Design and construction</subfield>
  </datafield>
  <datafield tag="856" ind1="4" ind2="0">
    <subfield code="u">https://www.gutenberg.org/ebooks/21083</subfield>
  </datafield>
  <datafield tag="999" ind1=" " ind2=" ">
    <subfield code="c">62309</subfield>
    <subfield code="d">62309</subfield>
  </datafield>
</record>
