in 1951, a police post was set up at okapa (then known as moke) among the north fore. a patrol officer, john r. mcarthur, was stationed there from 1954 when the 'rough track' from kainantu opened to traffic. transportation in the region improved to such a degree that it was possible to drive a land rover or motorbike to purosa among the south fore by 1957. at this time, colonial authorities estimated that there were at least 12,000 fore living in the region.