He discovered petroglyphs in the Grutas de Corinto dated to the Preclassic Mesoamerican period ( 1200 to 400 BC).

[2] In the late 1990s, the FAO funded the "Sustainable agriculture on hillsides" project in the municipality of San Isidro.

[4] The district is divided into 7 cantons, with 22 caseríos (hamlets):[4] The principal agricultural items produced include basic grains, sesame and sugarcane.

[5] The local government building is located on Avenida Mayo 15, west of the 1,500 m2 Parco central.

It was built in 1956, made of adobe with a tile roof and wooden frame, with a portal on the main façade in the colonial style.