This is the kind of item that gets a professional surveyor excited.
The DNR's Matt Dontz found this original cedar survey post in a stream near Atlanta, in Montmorency County recently. The General Land Office of the U.S. government did the survey of Michigan's townships in 1850. The post was set to mark a section, or quarter corner and were driven into the ground each half-mile. It was preserved by the water, Forestry and Surveying experts agree the find is extremely rare, even with today's GPS technology.
The specimen pictured above, described in the latest Journal of Fish Biology, has two heads side-by-side, each with its own gills, mouth, and teeth, fused onto a single body. The fisherman who caught it, kept the fetus for further study, and released the remaining shark offspring, which were able to swim away. ‘They’re hardy little critters,’ the paper’s coauthor Dr. Michael Wagner, assistant professor at Michigan State University department of fisheries and wildlife, told The Register. ‘But despite this, the two-headed specimen probably would have died after birth. Read more about the freakish catch here.