Big Haul: 250-year-old, 1,000-pound New Hampshire rock marker stolen

Call it the mystery of the missing New Hampshire rock. 

A 1,000-pound chunk of granite believed to have sat on a corner in Amherst since the mid-1700s telling travelers "Bedford 7 M's" was stolen sometime last week, coinciding with the community's 250th birthday.

250-year-old, 1,000-pound NH rock marker stolen