Talk:Agua Negra Pass
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Some additional information about the tunnel[edit]
- Bertou, Xavier (31 January 2017). The ANDES Deep Underground Laboratory in South America: status and prospects. Americal Physical Society April [sic] Meeting 2017. Retrieved 2017-02-05.
71.41.210.146 (talk) 02:45, 8 February 2017 (UTC)