www.seg.org/about/75/showimage.cfm?image=45Society of Exploration Geophysicists Foundation
8801 S. Yale ? Tulsa, OK 74137
Phone: 918-497-5538 ? Fax: 918-497-5557
Whales and dolphins make sounds by passing air through a twin muscle formation called “monkey lips” because it looks a bit like the pursed lips of a monkey.