Aerial data collection (IMAGE) Purdue University Caption Drone collecting data above the canopy of Martell Woods near Purdue University. Credit Purdue Agricultural Communications photo Usage Restrictions News organizations may use this image in reports about the work of Purdue University’s Institute for Digital Forestry. License Original 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.