15 February 1966.
Tucumán, Argentina
Locality: Near Infiernillo, Quebrada Honda, above km 83 on the road from Tafi Del Valle to Cafayate above La Castita.
Coordinates: -26.7333, -65.7333
(Map it)
Elevation: 3550m.
Environment description: Place where horses and cattle shelter, under a very large rock, very rich soil.