County Gas Leases by Company (IMAGE) University of Pittsburgh Caption This map indicates parcels under lease since 2003 by company holding the oil and gas rights. Credit Pitt University Center for Social and Urban Research Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.