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	</topic><topic id="http://AATesaurus.cultura.gencat.cat/aat/getty_es?tema=14131235"><instanceOf><topicRef xlink:href="#term"/></instanceOf><baseName><baseNameString>arenisca de Aquia Creek</baseNameString></baseName>  <occurrence>    <instanceOf>      <topicRef xlink:href="#scope-note"/>    </instanceOf><baseName><baseNameString><![CDATA[ Arenisca silícea marrón a gris claro proveniente de Aquia Creek, en el condado de Stafford, Virginia. Contiene granos de cuarzo redondos y gruesos a finos, así como guijarros dispersos y bolas de arcilla de 1 pulgada de diámetro. Se divide fácilmente en la dirección que se desee. La arenisca de Aquia Creek fue una de las piedras de construcción más importantes en los primeros tiempos en Washington, D.C.
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