Sago Street during the 1840s, there were numerous sago factories on the street. pith of the rumbia palm and made into flour that is used to make cakes. During the 1850s, there were thirty sago factories in the town which had a total output of 8,000 tons annually. Many of the sago factories were in the Sago Street area. In the late 19th century, the area was well known for its number of prostitute dens. By 1901, there were 14 brothels on the street alone. In the later part of the 20th century, the brothels vacated Sago Street and the shophouses underwent
Sago Mine disaster that were the result of high negligence and MSHA ordered that mining cease in the affected area until the unsafe condition was addressed. However, fewer than half of the overall citations against Sago Mine in 2005 were for "significant and substantial" violations—and all but eight of the overall citations have been corrected by the operator. The eight remaining issues were being abated by the operator in compliance with the abatement provisions of the Mine Act. "Mining operations at the Sago Mine more than doubled between 2004 and 2005, and the injury rate was significantly above the national average. This prompted