Judkin's Quarry (IMAGE) University of Leicester Caption Judkin's Quarry, Nuneaton, representing an example of Worked Ground that was active from the 1840s to the 1980s. Credit Colin Waters / University of Leicester 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.