sentences:  From 1985 onwards Ixkun has been investigated by the "Altas Arqueológico de Guatemala" ("Archaeological Atlas of Guatemala").The two causeways were explored by Oswaldo Gómez in 1993.Group 50 was excavated by Claudia Valenzuela, Group 37 was explored by Varinia Matute and Group 38 was excavated by Erika M. Gómez, all in 2001.