oil and gas resources / oil window / least oil-prone / source-rock systems / gas production / oil and gas / oil and gas assessment units / shale-oil / oil / gas window / oil and gas windows / oil-prone character / natural gas liquids / /
Organization
African Union / State Fed / U.S. Department of the Interior / USGS U.S. Department / /
Person
David W. Houseknecht / Kingak Shale / Marcia K. McNutt / /
Position
Secretary U.S. Geological Survey / Director Bluffs / /
David W. Houseknecht, USGS U.S. Department of the Interior U.S. Geological Survey U.S. Department of the Interior KEN SALAZAR, Secretary