Gayle Mill (IMAGE) Geological Society of America Caption Gayle Mill, a Yorkshire cotton-spinning mill from the 1780s, the period of interest for this study. Credit: William Stafford/Gayle Mill. CC BY-SA 2.0 via Wikimedia Commons Credit Credit: William Stafford/Gayle Mill. CC BY-SA 2.0 via Wikimedia Commons. Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. License CC BY-NC 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.