 The reliance on agriculture and some forestry lasted until after World War II but then with mechanization, (changing from horses to tractors) and with a system of roads for transporting produce to markets, things changed rather quickly.The river boats ceased to operate in the 1940s, and by the early 21st century farms were uncommon.Over fifty years, Jemseg, like many other rural communities, changed from a thriving self-sufficient place to a community of retired people or those who travel each day to employment elsewhere.