Berkelium - 97 - isotope trail Traditional Cache

In winter you may need to walk a little further for this one as it looks like the city isn't plowing the street. Use parking coordinates 45 00.482 93 12.450 and approach from the south.

Berkelium is a radioactive rare earth metal, named after the University of California at Berkeley (USA). Apparently, berkelium tends to accumulate in the skeletal system. It is of no commercial importance and only a few of its compounds are known.

Source: http://www.webelements.com/