<?xml version="1.0" encoding="UTF-8"?><collection xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.loc.gov/MARC21/slim" xsi:schemaLocation="http://www.loc.gov/MARC21/slim http://www.loc.gov/standards/marcxml/schema/MARC21slim.xsd"><record><leader>01614nam a2200397Ia 4500</leader><controlfield tag="001">005950151</controlfield><controlfield tag="003">MiAaHDL</controlfield><controlfield tag="005">20250726000000.0</controlfield><controlfield tag="006">m        d        </controlfield><controlfield tag="007">cr bn ---auaua</controlfield><controlfield tag="008">951208s1950    dcu          f000 0 eng d</controlfield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(MiU)990059501510106381</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">sdr-miu.990059501510106381</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="z">(MiU)MIU01000000000000005950151-goog</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(OCoLC)33879750</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="z">(MiU)Aleph005950151</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">ABC</subfield><subfield code="c">ABC</subfield><subfield code="d">BOMRI</subfield><subfield code="d">UtOrBLW</subfield></datafield><datafield tag="049" ind1=" " ind2=" "><subfield code="a">BMRA</subfield></datafield><datafield tag="086" ind1="0" ind2=" "><subfield code="a">I 28.23:4649</subfield></datafield><datafield tag="100" ind1="1" ind2=" "><subfield code="a">Skow, Milford L.</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Laboratory tests on percolation leaching of silica from bauxites /</subfield><subfield code="c">by Milford L. 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Conley.</subfield></datafield><datafield tag="260" ind1=" " ind2=" "><subfield code="a">[Washington, D.C.] :</subfield><subfield code="b">U.S. Dept. of the Interior, Bureau of Mines,</subfield><subfield code="c">1950.</subfield></datafield><datafield tag="300" ind1=" " ind2=" "><subfield code="a">16 p. ;</subfield><subfield code="c">27 cm.</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="490" ind1="0" ind2=" "><subfield code="a">Report of investigations / United States Department of the Interior, Bureau of Mines ;</subfield><subfield code="v">4649</subfield></datafield><datafield tag="500" ind1=" " ind2=" "><subfield code="a">"January 1950."</subfield></datafield><datafield tag="504" ind1=" " ind2=" "><subfield code="a">Includes bibliographical references.</subfield></datafield><datafield tag="538" ind1=" " ind2=" "><subfield code="a">Mode of access: Internet.</subfield></datafield><datafield tag="650" ind1=" " ind2="0"><subfield code="a">Silica.</subfield><subfield code="0">http://id.loc.gov/authorities/subjects/sh85122495</subfield></datafield><datafield tag="650" ind1=" " ind2="0"><subfield code="a">Leaching.</subfield><subfield code="0">http://id.loc.gov/authorities/subjects/sh85075434</subfield></datafield><datafield tag="650" ind1=" " ind2="0"><subfield code="a">Bauxite.</subfield><subfield code="0">http://id.loc.gov/authorities/subjects/sh85012460</subfield></datafield><datafield tag="650" ind1=" " ind2="0"><subfield code="a">Aluminum ores.</subfield><subfield code="0">http://id.loc.gov/authorities/subjects/sh85004028</subfield></datafield><datafield tag="650" ind1=" " ind2="0"><subfield code="a">Ore-dressing.</subfield><subfield code="0">http://id.loc.gov/authorities/subjects/sh85095414</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Conley, John E.</subfield><subfield code="q">(John Edward),</subfield><subfield code="d">1892-</subfield></datafield><datafield tag="899" ind1=" " ind2=" "><subfield code="a">39015078486910</subfield></datafield><datafield tag="CID" ind1=" " ind2=" "><subfield code="a">005950151</subfield></datafield><datafield tag="DAT" ind1="0" ind2=" "><subfield code="a">20241218021855.0</subfield><subfield code="b">20250726000000.0</subfield></datafield><datafield tag="DAT" ind1="1" ind2=" "><subfield code="a">20260228140658.0</subfield><subfield code="b">2026-03-01T09:02:51Z</subfield></datafield><datafield tag="DAT" ind1="2" ind2=" "><subfield code="a">2024-12-24T18:30:02Z</subfield></datafield><datafield tag="CAT" ind1=" " ind2=" "><subfield code="a">SDR-MIU</subfield><subfield code="c">miu</subfield><subfield code="d">ALMA</subfield><subfield code="l">prepare.pl-004-009</subfield></datafield><datafield tag="FMT" ind1=" " ind2=" "><subfield code="a">BK</subfield></datafield><datafield tag="HOL" ind1=" " ind2=" "><subfield code="0">sdr-miu.990059501510106381</subfield><subfield code="a">MiU</subfield><subfield code="b">SDR</subfield><subfield code="c">GWLA</subfield><subfield code="f">005950151</subfield><subfield code="p">mdp.39015078486910</subfield><subfield code="s">MIU</subfield><subfield code="1">990059501510106381</subfield></datafield><datafield tag="974" ind1=" " ind2=" "><subfield code="b">MIU</subfield><subfield code="c">GWLA</subfield><subfield code="d">20260301</subfield><subfield code="s">google</subfield><subfield code="u">mdp.39015078486910</subfield><subfield code="y">1950</subfield><subfield code="r">pd</subfield><subfield code="q">bib</subfield><subfield code="t">US fed doc</subfield></datafield></record></collection>