Springville, Tenn.–Another class of Tennessee Master Naturalists have been certified as they wrapped up their ten-month course at the Tennessee National Wildlife Refuge at Springville. Their last class focused on insects with Instructor Glenn Lee, at left. The next course begins in September. Contact the refuge at 731 642 2091 for more info. The refuge is located at 1371 Wildlife Drive in Springville. (Refuge photo).