<?xml version="1.0" encoding="UTF-8"?><placename>  <system>China Historical GIS, Harvard University and Fudan University</system>  <license>CC BY-NC 4.0</license>  <uri>https://chgis.hudci.org/tgaz/placename/hvd_70117</uri> <spellings>    <spelling>      <written-form script="traditional Chinese">首陽縣</written-form>      <exonym-lang></exonym-lang>      <attested-by></attested-by>      <note></note>    </spelling>    <spelling>      <written-form script="simplified Chinese">首阳县</written-form>      <exonym-lang></exonym-lang>      <attested-by></attested-by>      <note></note>    </spelling>    <spelling>      <transcription system="Pinyin">Shouyang Xian</transcription>      <exonym-lang></exonym-lang>      <attested-by></attested-by>      <note></note>    </spelling>  </spellings>  <feature-type>    <name>县</name>    <alternate-name>縣</alternate-name>    <transcription>xian</transcription>    <translation lang="en">county</translation>  </feature-type>  <temporal>    <begin>-221</begin>    <begin-rule>4</begin-rule>    <end>551</end>    <end-rule>4</end-rule>  </temporal>  <spatial>    <object-type>POINT</object-type>    <xy-type>point</xy-type>    <latitude-direction>N</latitude-direction>    <degrees-latitude>35.13949</degrees-latitude>    <longitude-direction>E</longitude-direction>    <degrees-longitude>104.21017</degrees-longitude>    <geo-source>FROM_AC</geo-source>    <present-location>    </present-location>  </spatial>  <historical-context>    <part-of-relationships>      <part-of parent-id="hvd_112727" from="-221" to="-115" >        <parent-name>陇西郡</parent-name>        <transcribed-name>Longxi Jun</transcribed-name>      </part-of>      <part-of parent-id="hvd_112727" from="-114" to="551" >        <parent-name>陇西郡</parent-name>        <transcribed-name>Longxi Jun</transcribed-name>      </part-of>    </part-of-relationships>    <subordinate-units><br />
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        <transcribed-name></transcribed-name>      </subordinate-unit>    </subordinate-units>  </historical-context>  <data-source>CHGIS</data-source>  <source-note>    <![CDATA[      首阳县（前221—551） 
汉置首阳县，属陇西郡。东汉、晋、北魏因之。西魏大统十七年（551 年），改首阳县为渭源县①，属渭源郡。治所在今甘肃渭源县。
①《太平寰宇记》卷151《陇右道二》渭州条：“渭源县，……本汉首阳县地，属陇西郡。后魏大统十七年，分陇西置渭源郡，因渭水为名，又改首阳为渭源县”。《嘉庆重修一统志》卷252?兰州府?渭源县条：“西魏大统十七年改县曰渭源，又分置渭源郡，寻废。”（《四部丛刊续编》，商务印书馆，1934 年，2314 册）    ]]>  </source-note>  <source-uri>      </source-uri></placename>