More than a million artifacts unearthed in Boston’s Big Dig project are in danger of being lost. “The archeology for the Big Dig was probably the largest archeological project ever conducted in Massachusetts. But the actual discoveries — the sites and their contents — were even more significant because, for the most part, they predated the Revolutionary War. The farther back you go in time, the fewer written documents exist to describe what life was like. We really got an intimate look at the lives of many colonists and Native Americans.”