0558: Mariverde
El Naso 30T 451758 4796291 (Datum: ETRS89. Accuracy code: M) Altitude 428m
Area position : Logbook search

A very tight hole above site 557 which draughts out and echoes well. Would be a major dig. Marked 558 with orange tape.

References: anon., 1985b (logbook); card
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