i--subsurface relations of the maquoketa and “trenton” in illinois; ii--petroleum possibilities of maquoketa and “trenton” in illinois. Illinois state geological survey report of investigations no. 105.
DuBois, E. P. and Carl A. Bays
Urbana, IL:: Illinois state geological survey, 1945.. 38pp Water damage to bottom of pages (Item ID: 17723)
$12.50

