Petroleum industry in Illinois in 1956.

pt. 1. Oil and gas developments. Introduction -- Production and value -- Drilling and development -- Productive acreage -- Estimated petroleum reserves -- Prospects for new pools -- Gas and gas products -- Oil-producing strata -- Country reports -- pt. 2. Waterflood operations. Introduction -- Summary of results -- Illinois waterflood projects operating during 1956 -- Illinois waterflood projects reported abandoned -- Illinois pressure maintenance projects using water injection during 1956.Mode of access: Internet