<?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>01811nas a22004091  4500</leader><controlfield tag="001">002137705</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">900730c19219999dcuuu p||||||||   |1eng| </controlfield><datafield tag="010" ind1=" " ind2=" "><subfield code="a">   50060727 </subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(MiU)990021377050106381</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">sdr-miu.990021377050106381</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="z">(MiU)MIU01000000000000002137705-goog</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(OCoLC)243940561</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(SAZTEC)U00305860</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(CaOTULAS)177009839</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="z">(MiU)Aleph002137705</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="c">SAZTEC</subfield><subfield code="d">UtOrBLW</subfield></datafield><datafield tag="110" ind1="1" ind2=" "><subfield code="a">United States.</subfield><subfield code="b">Weather Bureau.</subfield><subfield code="0">http://id.loc.gov/authorities/names/n79049341</subfield><subfield code="1">http://id.loc.gov/rwo/agents/n79049341</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Manual of wind aloft observations (WBAN)</subfield></datafield><datafield tag="247" ind1="1" ind2="1"><subfield code="a">Instructions for making pilot balloon observations</subfield><subfield code="g">2d-3d ed</subfield></datafield><datafield tag="247" ind1="1" ind2="1"><subfield code="a">Instructions for aerological observers,</subfield><subfield code="g">1st ed</subfield></datafield><datafield tag="250" ind1=" " ind2=" "><subfield code="a">[1st]- ed.</subfield></datafield><datafield tag="260" ind1=" " ind2=" "><subfield code="a">Washington :</subfield><subfield code="b">U.S. Govt. 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