<?xml version='1.0' encoding='utf-8'?><OAI-PMH xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/ http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd"><responseDate>2026-05-17T19:32:09Z</responseDate><request verb="GetRecord" metadataPrefix="oai_dc" identifier="oai:www.bilketa.eus:ark:/27020/go34136">https://www.bilketa.eus/in/rest/oai</request><GetRecord><record><header><identifier>oai:www.bilketa.eus:ark:/27020/go34136</identifier><setSpec>ALL</setSpec><datestamp>2026-05-11T08:01:29Z</datestamp></header><metadata> <oai_dc:dc xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd"><dc:identifier>https://www.bilketa.eus/ark:/27020/go34136</dc:identifier><dc:creator>Dietrich, Philippe-Frédéric de (Baron) (1748-1793)</dc:creator><dc:source>MUBA, M 1400-1</dc:source><dc:source>MUBA, M 822</dc:source><dc:date>1786</dc:date><dc:description>2 parties</dc:description><dc:description>Accompagne Dietrich, Philippe-Frédéric de (Baron)</dc:description><dc:type xml:lang="eng">text</dc:type><dc:type xml:lang="fre">monographie imprimée</dc:type><dc:type xml:lang="eng">printed monograph</dc:type><dc:format>2 tomes (XXXVI-597 p.) ; cartes ; 26 cm</dc:format><dc:relation>vignette : https://www.bilketa.eus/in/rest/Thumb/image?id=ark:/27020/go34136&amp;mat=book</dc:relation><dc:language>fre</dc:language><dc:publisher>Didot (Paris)</dc:publisher><dc:subject>Pyrénées</dc:subject><dc:subject>Géologie</dc:subject><dc:subject>Mines (sites d'extraction)</dc:subject><dc:title>Description des gîtes de minerai, des forges et des salines des Pyrénées, suivies d'observations sur le fer Mazé et sur les mines des Sards en Poitou</dc:title><dc:title>Dietrich, Philippe-Frédéric de (Baron)</dc:title></oai_dc:dc></metadata></record></GetRecord></OAI-PMH>