Books by R. J. Jacobson
Availability of coal resources in Illinois
Coal resources of the Dekoven and Davis Members (Carbondale Formation) in Gallatin and Saline Counties, southeastern Illinois
Geology of the Goreville Quadrangle, Johnson and Williamson Counties, Illinois
Stratigraphic correlations of
Stratigraphic correlations of the Seelyville, Dekoven, and Davis coals of Illinois, Indiana, and western Kentucky
Coal resources of Grundy, La S
Coal resources of Grundy, La Salle, and Livingston counties, Illinois