In 1978, a Nicaraguan researcher, Jorge Espinoza, continued the excavation near the termination of the original excavation and uncovered more footprints at a depth of 4 meters.
A Nicaraguan researcher continued the excavation near the termination of the original excavation. This was in 1978. A Nicaraguan researcher uncovered more footprints at a depth of 4 meters. This was in 1978. Jorge Espinoza was a Nicaraguan researcher.