Courtesy photo by N.H. Department of Transportation The stretch of I-93 where a sinkhole opened up Aug. 19 was built atop an older road, portions of which can be seen here. Below that is a century-old water line made of brick which failed, leading to the sinkhole.
Cou``rtesy photo by N.H. Department of Transportation The stretch of I-93 where a sinkhole opened up Aug. 19 was built atop an older road, portions of which can be seen here. Below that is a century-old water line made of brick which failed, leading to the sinkhole.
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