Written in 1807...covers fuels, including Petroleum industry in Indiana, coals, black slate and shale, caves and fauna, geology in Indiana, Limestone, natural gas.
Discusses the 150 species of weeds in Indiana which are grouped in 3 classes. Class I. comprises our worst weeds, class II. those weeds which are less aggressive, and class III. belong to the weeds which in Indiana occupy for the most part waste farm lands.