 At San Blas, these families were forcibly marched 200 miles to San Marcos and its train station.Those who did not die on the march were sold into slavery at San Marcos, where they were deported to the sugar cane plantations in Oaxaca, the tobacco planters of the Valle Nacional, and the henequen plantation owners of the Yucatán for use as slave labor.Most of the enslaved workers died within the first year of their captivity.