Bulgaria Bulletin / U.S. Geological Survey Total Petroleum Systems / U.S. Geological Survey Bulletin / Total Petroleum Systems / /
Country
Romania / Bulgaria / /
NaturalFeature
Carpathian Mountains / Carpathians / Alpine / /
Organization
U.S. Department of the Interior U.S. Geological Survey Total Petroleum Systems of the Carpathian / U.S. Government / U.S. Department of the Interior / /
Person
Mark D. Myers / / /
Position
Director U.S. Geological Survey / Secretary U.S. Geological Survey / /