Articles published originally in the Johnson national drillers' journal.

The origin of ground water -- The porosity and permeability of water bearing rocks -- The water table -- The ground water provinces of the United States -- Prospecting and testing for ground water -- The construction of water wells -- Drilling machines and well records -- The hydraulics of wells -- The design, construction, and use of well screens -- The development of wells -- The gravel treatment of wells -- The construction of sanitary wells, well contracts and well troubles -- Testing wells for yield -- Pumping equipment -- Power units and testing pumps for efficiency -- The impurities and treatment of natural waters -- The use and conservation of ground water.