The toun's name is the Roushie wird for shale. The toun wis lairgely sustained bi shale minin, as depictit on its coat o airms, an the resultin fuel wis uised tae licht the streets o St. Petersburg in the 19t century. The mines are nou lairgely closed due tae decrease in local demand an disagreements ower contracts wi nearbi Estonie. This haes resultit in lairge-scale local unemployment. Furthermair, the disuised mines present a serious ecological threat tae watter supplies in the region.