In 1958, during the government of General Miguel Ydígoras Fuentes the Inter-American Development Bank (IDB) financed infrastructure projects in Sebol.

[a] In 1960, then Army captain Fernando Romeo Lucas García inherited Saquixquib and Punta de Boloncó farms in northeastern Sebol.

During those years, Lucas Garcia was in the Guatemalan legislature and lobbied heavily in Congress to boost investment in that area of the country.

In 1964, INTA defined the geography of the FTN as the northern part of the departments of Huehuetenango, Quiché, Alta Verapaz and Izabal and that same year priests of the Maryknoll order and the Order of the Sacred Heart began the first process of colonization, along with INTA, carrying settlers from Huehuetenango to the Ixcán sector in Quiché.

[3] The Northern Transversal Strip was officially created during the government of General Carlos Arana Osorio in 1970, by Decree 60-70 in the Congress, for agricultural development.