In this Thursday, March 29, 2013 photo, Johanna Lake checks the evaporator at David Moore's Crooked Chimney sugarhouse Lee, N.H. Moore, New Hampshire’s only known commercial birch syrup producer, ... more 
In this Thursday, March 29, 2013 photo, Johanna Lake checks the evaporator at David Moore's Crooked Chimney sugarhouse Lee, N.H. Moore, New Hampshire’s only known commercial birch syrup producer, got his start in 2008, when he was a student at the University of New Hampshire. (AP Photo/Jim Cole) less 
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Associated Press | Photo By Jim Cole
Sun, Mar 31, 2013 12:21 PM EDT