Maine quarry mines rare granite for Smithsonian museum's renovations

Fifty years ago, granite from the quarry was used in the Hirshhorn Museum’s original construction. Subscribe to WMTW on YouTube now for more: http://bit.ly/1lLKmoE Get more Portland news: http://www.wmtw.com Like us: http://www.facebook.com/wmtwtv Follow us: http://twitter.com/WMTWTV Instagram: https://www.instagram.com/wmtwtv/