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  <leader>05436cpcaa2200901 a 4500</leader>
  <controlfield tag="001">mm 79016527 </controlfield>
  <controlfield tag="003">DLC</controlfield>
  <controlfield tag="005">20260227111654.0</controlfield>
  <controlfield tag="007">cr |||||||||||</controlfield>
  <controlfield tag="008">790530||||||||||||                 eng  </controlfield>
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    <subfield code="a">mm 79016527 </subfield>
    <subfield code="b">ms 62004637 </subfield>
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    <subfield code="a">DLC</subfield>
    <subfield code="c">DLC</subfield>
    <subfield code="e">dacs</subfield>
    <subfield code="d">DLC</subfield>
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    <subfield code="a">W</subfield>
    <subfield code="2">lcmd</subfield>
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  <datafield tag="100" ind1="1" ind2=" ">
    <subfield code="a">Comstock, C. B.</subfield>
    <subfield code="q">(Cyrus Ballou),</subfield>
    <subfield code="d">1831-1910.</subfield>
  </datafield>
  <datafield tag="245" ind1="0" ind2="0">
    <subfield code="a">C.B. Comstock papers,</subfield>
    <subfield code="f">1847-1908</subfield>
    <subfield code="g">(bulk 1862-1890).</subfield>
  </datafield>
  <datafield tag="300" ind1=" " ind2=" ">
    <subfield code="a">900</subfield>
    <subfield code="f">items.</subfield>
  </datafield>
  <datafield tag="300" ind1=" " ind2=" ">
    <subfield code="a">4</subfield>
    <subfield code="f">containers.</subfield>
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  <datafield tag="300" ind1=" " ind2=" ">
    <subfield code="a">4</subfield>
    <subfield code="f">microfilm reels.</subfield>
  </datafield>
  <datafield tag="300" ind1=" " ind2=" ">
    <subfield code="a">1.6</subfield>
    <subfield code="f">linear feet.</subfield>
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  <datafield tag="351" ind1=" " ind2=" ">
    <subfield code="a">Arranged in 3 series.  Series 1: Diaries and Notebooks, 1862-1867; Series 2: General Correspondence and Related Material, 1855-1908; and Series 3: Miscellany, 1847-1862.</subfield>
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  <datafield tag="506" ind1="0" ind2=" ">
    <subfield code="a">Open to research.</subfield>
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  <datafield tag="520" ind1="8" ind2=" ">
    <subfield code="a">Correspondence, memoranda, diaries, memoirs, reports, notebooks, orders, memoirs, sketches, and other papers primarily concerning Comstock's Civil War service as chief engineer of the Army of the Potomac.</subfield>
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    <subfield code="a">Topics include the siege of Vicksburg, Miss.; the capture of Fort Fisher, N.C.; the fords on the Rapidan and Rappahannock rivers, Va.; the defenses at Aquia Creek, Va. and Harpers Ferry, W. Va.; Ulysses S. Grant's resignation as U.S. secretary of war under Andrew Johnson; James K. Polk's 1847 annual message to Congress concerning the Mexican War; Comstock's service as president of the U.S. Mississippi River Commission (1884) including improvement of the Mississippi River; the ancestry of Jesse Root Grant; and William Petit Trowbridge.</subfield>
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  <datafield tag="520" ind1="8" ind2=" ">
    <subfield code="a">Correspondents include Henry Martyn Adams, B.S. Alexander, Daniel Butterfield, James Buchanan Eads, Ulysses S. Grant, H.W. Halleck, A.A. Humphreys, George Gordon Meade, David D. Porter, John McAllister Schofield, Philip Henry Sheridan, William T. Sherman, Daniel Edgar Sickles, E.D. Townsend, Seth Williams, and Horatio Gouverneur Wright.</subfield>
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  <datafield tag="530" ind1=" " ind2=" ">
    <subfield code="a">Microfilm edition available,</subfield>
    <subfield code="d">no. 17,560</subfield>
  </datafield>
  <datafield tag="533" ind1=" " ind2=" ">
    <subfield code="a">Microfilm produced from originals in the Manuscript Division.</subfield>
    <subfield code="b">Washington, D.C. :</subfield>
    <subfield code="c">Library of Congress Photoduplication Service,</subfield>
    <subfield code="d">1979.</subfield>
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  <datafield tag="545" ind1="0" ind2=" ">
    <subfield code="a">U.S. Army officer and engineer.</subfield>
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    <subfield code="a">Collection material in English.</subfield>
  </datafield>
  <datafield tag="555" ind1="0" ind2=" ">
    <subfield code="a">Finding aid available in the Library of Congress Manuscript Reading Room and at</subfield>
    <subfield code="u">http://hdl.loc.gov/loc.mss/eadmss.ms009101</subfield>
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  <datafield tag="600" ind1="1" ind2="0">
    <subfield code="a">Adams, Henry Martyn,</subfield>
    <subfield code="d">1844-1909</subfield>
    <subfield code="v">Correspondence.</subfield>
  </datafield>
  <datafield tag="600" ind1="1" ind2="0">
    <subfield code="a">Alexander, B. S.</subfield>
    <subfield code="q">(Barton Stone),</subfield>
    <subfield code="d">1819-1878</subfield>
    <subfield code="v">Correspondence.</subfield>
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  <datafield tag="600" ind1="1" ind2="0">
    <subfield code="a">Butterfield, Daniel,</subfield>
    <subfield code="d">1831-1901</subfield>
    <subfield code="v">Correspondence.</subfield>
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  <datafield tag="600" ind1="1" ind2="0">
    <subfield code="a">Eads, James Buchanan,</subfield>
    <subfield code="d">1820-1887</subfield>
    <subfield code="v">Correspondence.</subfield>
  </datafield>
  <datafield tag="600" ind1="1" ind2="0">
    <subfield code="a">Grant, Jesse Root,</subfield>
    <subfield code="d">1794-1873</subfield>
    <subfield code="v">Correspondence.</subfield>
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  <datafield tag="600" ind1="1" ind2="0">
    <subfield code="a">Grant, Jesse Root,</subfield>
    <subfield code="d">1794-1873</subfield>
    <subfield code="x">Family.</subfield>
  </datafield>
  <datafield tag="600" ind1="1" ind2="0">
    <subfield code="a">Grant, Ulysses S.</subfield>
    <subfield code="q">(Ulysses Simpson),</subfield>
    <subfield code="d">1822-1885</subfield>
    <subfield code="v">Correspondence.</subfield>
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  <datafield tag="600" ind1="1" ind2="0">
    <subfield code="a">Grant, Ulysses S.</subfield>
    <subfield code="q">(Ulysses Simpson),</subfield>
    <subfield code="d">1822-1885</subfield>
    <subfield code="x">Resignation from office.</subfield>
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  <datafield tag="600" ind1="1" ind2="0">
    <subfield code="a">Halleck, H. W.</subfield>
    <subfield code="q">(Henry Wager),</subfield>
    <subfield code="d">1815-1872</subfield>
    <subfield code="v">Correspondence.</subfield>
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  <datafield tag="600" ind1="1" ind2="0">
    <subfield code="a">Humphreys, A. A.</subfield>
    <subfield code="q">(Andrew Atkinson),</subfield>
    <subfield code="d">1810-1883</subfield>
    <subfield code="v">Correspondence.</subfield>
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  <datafield tag="600" ind1="1" ind2="0">
    <subfield code="a">Meade, George Gordon,</subfield>
    <subfield code="d">1815-1872</subfield>
    <subfield code="v">Correspondence.</subfield>
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  <datafield tag="600" ind1="1" ind2="0">
    <subfield code="a">Polk, James K.</subfield>
    <subfield code="q">(James Knox),</subfield>
    <subfield code="d">1795-1849.</subfield>
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  <datafield tag="600" ind1="1" ind2="0">
    <subfield code="a">Porter, David D.</subfield>
    <subfield code="q">(David Dixon),</subfield>
    <subfield code="d">1813-1891</subfield>
    <subfield code="v">Correspondence.</subfield>
  </datafield>
  <datafield tag="600" ind1="1" ind2="0">
    <subfield code="a">Schofield, John McAllister,</subfield>
    <subfield code="d">1831-1906</subfield>
    <subfield code="v">Correspondence.</subfield>
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  <datafield tag="600" ind1="1" ind2="0">
    <subfield code="a">Sheridan, Philip Henry,</subfield>
    <subfield code="d">1831-1888</subfield>
    <subfield code="v">Correspondence.</subfield>
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  <datafield tag="600" ind1="1" ind2="0">
    <subfield code="a">Sherman, William T.</subfield>
    <subfield code="q">(William Tecumseh),</subfield>
    <subfield code="d">1820-1891</subfield>
    <subfield code="v">Correspondence.</subfield>
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  <datafield tag="600" ind1="1" ind2="0">
    <subfield code="a">Sickles, Daniel Edgar,</subfield>
    <subfield code="d">1819-1914</subfield>
    <subfield code="v">Correspondence.</subfield>
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  <datafield tag="600" ind1="1" ind2="0">
    <subfield code="a">Townsend, E. D.</subfield>
    <subfield code="q">(Edward Davis),</subfield>
    <subfield code="d">1817-1893</subfield>
    <subfield code="v">Correspondence.</subfield>
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  <datafield tag="600" ind1="1" ind2="0">
    <subfield code="a">Trowbridge, William Pettit,</subfield>
    <subfield code="d">1828-1892.</subfield>
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  <datafield tag="600" ind1="1" ind2="0">
    <subfield code="a">Williams, Seth,</subfield>
    <subfield code="d">1822-1866</subfield>
    <subfield code="v">Correspondence.</subfield>
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  <datafield tag="600" ind1="1" ind2="0">
    <subfield code="a">Wright, Horatio Gouverneur,</subfield>
    <subfield code="d">1820-1899</subfield>
    <subfield code="v">Correspondence.</subfield>
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  <datafield tag="610" ind1="1" ind2="0">
    <subfield code="a">United States.</subfield>
    <subfield code="b">Army of the Potomac.</subfield>
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    <subfield code="a">United States.</subfield>
    <subfield code="b">Mississippi River Commission.</subfield>
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    <subfield code="a">Fords (Stream crossings)</subfield>
    <subfield code="z">Virginia</subfield>
    <subfield code="z">Rapidan River.</subfield>
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    <subfield code="a">Fords (Stream crossings)</subfield>
    <subfield code="z">Virginia</subfield>
    <subfield code="z">Rappahannock River.</subfield>
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  <datafield tag="650" ind1=" " ind2="0">
    <subfield code="a">Fortification</subfield>
    <subfield code="z">North Carolina.</subfield>
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    <subfield code="a">Mexican War, 1846-1848.</subfield>
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    <subfield code="a">Presidents</subfield>
    <subfield code="z">United States</subfield>
    <subfield code="v">Messages.</subfield>
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    <subfield code="a">Aquia Creek (Va.)</subfield>
    <subfield code="x">History.</subfield>
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    <subfield code="a">Fort Fisher (N.C. : Fort)</subfield>
    <subfield code="x">Capture, 1865.</subfield>
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    <subfield code="a">Harpers Ferry (W. Va.)</subfield>
    <subfield code="x">History.</subfield>
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    <subfield code="a">Mississippi</subfield>
    <subfield code="x">History</subfield>
    <subfield code="y">Civil War, 1861-1865.</subfield>
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    <subfield code="a">North Carolina</subfield>
    <subfield code="x">History</subfield>
    <subfield code="y">Civil War, 1861-1865.</subfield>
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  <datafield tag="651" ind1=" " ind2="0">
    <subfield code="a">Rappahannock River (Va.)</subfield>
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    <subfield code="a">United States</subfield>
    <subfield code="x">History</subfield>
    <subfield code="y">Civil War, 1861-1865.</subfield>
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  <datafield tag="651" ind1=" " ind2="0">
    <subfield code="a">United States</subfield>
    <subfield code="x">History</subfield>
    <subfield code="y">Civil War, 1861-1865</subfield>
    <subfield code="x">Engineering and construction.</subfield>
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    <subfield code="a">Vicksburg (Miss.)</subfield>
    <subfield code="x">History</subfield>
    <subfield code="y">Civil War, 1861-1865.</subfield>
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    <subfield code="a">Vicksburg (Miss.)</subfield>
    <subfield code="x">History</subfield>
    <subfield code="y">Siege, 1863.</subfield>
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  <datafield tag="651" ind1=" " ind2="0">
    <subfield code="a">Virginia</subfield>
    <subfield code="x">History</subfield>
    <subfield code="y">Civil War, 1861-1865.</subfield>
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  <datafield tag="651" ind1=" " ind2="0">
    <subfield code="a">West Virginia</subfield>
    <subfield code="x">History</subfield>
    <subfield code="y">Civil War, 1861-1865.</subfield>
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    <subfield code="a">Army officers.</subfield>
    <subfield code="2">itoamc</subfield>
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    <subfield code="a">Engineers.</subfield>
    <subfield code="2">itoamc</subfield>
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    <subfield code="3">Finding aid</subfield>
    <subfield code="u">http://hdl.loc.gov/loc.mss/eadmss.ms009101</subfield>
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    <subfield code="3">Finding aid (PDF)</subfield>
    <subfield code="u">http://hdl.loc.gov/loc.mss/eadmss.ms009101.3</subfield>
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    <subfield code="c">42167</subfield>
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