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  <front>
    <journal-meta>
      <journal-id journal-id-type="issn">2411-3336</journal-id>
      <journal-id journal-id-type="eissn">2541-9404</journal-id>
      <journal-title-group>
        <journal-title xml:lang="ru">Записки Горного института</journal-title>
        <journal-title xml:lang="en">Journal of Mining Institute</journal-title>
      </journal-title-group>
      <publisher>
        <publisher-name xml:lang="ru">Санкт-Петербургский горный университет императрицы Екатерины ΙΙ</publisher-name>
        <publisher-name xml:lang="en">Empress Catherine II Saint Petersburg Mining University</publisher-name>
      </publisher>
    </journal-meta>
    <article-meta>
      <article-id custom-type="pmi" pub-id-type="custom">pmi-13019</article-id>
      <article-id pub-id-type="uri">https://pmi.spmi.ru/pmi/article/view/13019</article-id>
      <article-categories>
        <subj-group subj-group-type="section-heading" xml:lang="ru">
          <subject>Без раздела</subject>
        </subj-group>
        <subj-group subj-group-type="section-heading" xml:lang="en">
          <subject>Without section</subject>
        </subj-group>
      </article-categories>
      <title-group>
        <article-title xml:lang="en">Estimation of orientation accuracy through two vertical mine shafts</article-title>
        <trans-title-group xml:lang="ru">
          <trans-title>Об оценке точности ориентировки через два вертикальных шахтных ствола</trans-title>
        </trans-title-group>
      </title-group>
      <contrib-group>
        <contrib contrib-type="author" corresp="yes">
          <name name-style="eastern">
            <surname>Belolikov</surname>
            <given-names>A. N.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Белоликов</surname>
              <given-names>А. Н.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Belolikov</surname>
              <given-names>A. N.</given-names>
            </name>
          </name-alternatives>
          <email>pmi@spmi.ru</email>
          <xref ref-type="aff" rid="aff1"/>
        </contrib>
        <aff-alternatives id="aff1">
          <aff>
            <institution xml:lang="ru"/>
          </aff>
          <aff>
            <institution xml:lang="en"/>
          </aff>
        </aff-alternatives>
      </contrib-group>
      <pub-date pub-type="epub" iso-8601-date="1958-04-16">
        <day>16</day>
        <month>04</month>
        <year>1958</year>
      </pub-date>
      <pub-date date-type="collection">
        <year>1958</year>
      </pub-date>
      <volume>37</volume>
      <issue>1</issue>
      <fpage>112</fpage>
      <lpage>116</lpage>
      <history>
        <date date-type="received" iso-8601-date="1957-07-24">
          <day>24</day>
          <month>07</month>
          <year>1957</year>
        </date>
        <date date-type="accepted" iso-8601-date="1957-09-17">
          <day>17</day>
          <month>09</month>
          <year>1957</year>
        </date>
        <date date-type="rev-recd" iso-8601-date="1958-04-16">
          <day>16</day>
          <month>04</month>
          <year>1958</year>
        </date>
      </history>
      <permissions>
        <copyright-statement xml:lang="ru">© 1958 А. Н. Белоликов</copyright-statement>
        <copyright-statement xml:lang="en">© 1958 A. N. Belolikov</copyright-statement>
        <copyright-year>1958</copyright-year>
        <copyright-holder xml:lang="ru">А. Н. Белоликов</copyright-holder>
        <copyright-holder xml:lang="en">A. N. Belolikov</copyright-holder>
        <license license-type="open-access" xlink:href="http://creativecommons.org/licenses/by/4.0" xml:lang="ru">
          <license-p>Эта статья доступна по лицензии Creative Commons Attribution 4.0 International (CC BY 4.0)</license-p>
        </license>
        <license license-type="open-access" xlink:href="http://creativecommons.org/licenses/by/4.0" xml:lang="en">
          <license-p>This article is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0)</license-p>
        </license>
      </permissions>
      <self-uri xlink:type="simple" xlink:href="https://pmi.spmi.ru/pmi/article/view/13019">https://pmi.spmi.ru/pmi/article/view/13019</self-uri>
      <abstract xml:lang="ru">
        <p>В литературе известны следующие формулы для вычисления по­грешностей дирекционных углов сторон подземного полигона, прокла­дываемого при ориентировке через два вертикальных шахтных ствола, а) В зависимости от погрешностей измерения; б) В зависимости от погрешностей измерения длин сторон ...</p>
      </abstract>
      <abstract xml:lang="en">
        <p>The following formulas are known in the literature for calculating the errors of directional angles of the sides of the underground polygon, laid at orientation through two vertical mine shafts, a) depending on the errors of measurement; b) depending on the errors of measuring the lengths of the sides ...</p>
      </abstract>
    </article-meta>
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