MN_difference-example-1-300dpi 900x600.png (IMAGE) University of Minnesota Caption An image of Minnesota lakes identified using the ReaLSAT dataset (red) is combined with a similar image of the area where lakes were identified in the previous HydroLAKES dataset (blue). The ReaLSAT dataset identifies almost three times as many lakes and reservoirs worldwide compared to HydroLAKES. Credit ReaLSAT, University of Minnesota Usage Restrictions No restrictions. License Public Domain 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.