In 1966, Unit 305 is moved to Borsh to work on the opening of terraces and planting citruses in Kserokom, Piqeras and the nearby coast.
In 1966, 340 convicts worked in this unit.
In 1975, 600 people worked there.The prison staff was made of 85 people.
In 1977, 823 convicts worked in the unit.
Unit 305 in Borsh held 411 convicts in January-February 1982.
By order no. 4 dated 06 January 1983, Unit 305, Borsh was dissolved.