Clues sought on possible Big Dig hole
State contractors are in the process of burrowing the first of four 135-foot holes near South Station to remove earth that will provide clues about the cause and size a possible sinkhole beneath one of the Big Dig tunnels, as well as how to plug it. State highway officials have said the void may possibly be as large as the tunnel itself - but that does not mean they believe it is anywhere near that large.
For more from BostonGlobe.com, sign up or log in below
To continue, please sign up or log in to BostonGlobe.com
Access the full articles and quality reporting of The Boston Globe at BostonGlobe.com
Sign up
Unlimited Access to BostonGlobe.com for 4 weeks for only 99¢.
Are you a Boston Globe home delivery subscriber?
Get FREE access as part of your print subscription.
BostonGlobe.com subscriber
Click to continue reading this article or to log in to BostonGlobe.com.
