 The structure was first built sometime in the 1880s, but was rebuilt in the 1890s after a disastrous fire.The original use of this building was housing the main pumping engine equipment; however, in 1892 it was converted to use as an electrical power house, and used as such until a new power plant was built in Lake Linden in 1906.The General Office Building is a -story office building built of reddish-brown stone trimmed with brick.