× Information on this section of ECOLEX comes from the InforMEA Portal which compiled information from MEA Secretariats with the support of the European Union. The accuracy of the information displayed is the responsibility of the originating data source. In case of discrepancy the information as displayed on the respective MEA website prevails. State of conservation Document type Decision Reference number VI.61 Date Jul 6, 1992 SourceUNEP, InforMEA Status Active Subject Wild species & ecosystems Treaty Convention concerning the Protection of the World Cultural and Natural Heritage (Nov 23, 1972) Meeting 16e session du Bureau Website whc.unesco.org Abstract The Bureau was happy to learn of the innovative efforts made by the competent American authorities for the long-lasting conservation of Chaco Canyon.