Stream Restoration (IMAGE) University of Pittsburgh Caption The formation of the subsidence basin within parts of East Finley Township Park resulted in significant ponding (before picture). To restore Templeton Fork required the stream gradient to be re-established to pre-mining conditions. The re-grading of stream is accomplished with a method known as 'gate cutting." Credit Anthony Iannacchione/University of Pittsburgh 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.