Sap, short season keep Minnesota's maple syrup makers running in the spring

Business Dan Gunderson Dan Gunderson · ·
Corinne Peterson, center, and daughter Wendy Berg spread their enthusiasm for tree sap with Clyde, 6, foreground, and Greta, 8, during a collection outing on April 18, 2014. The Bergs of St. Paul spent a long Easter weekend at the property on Star Lake and helped collect sap.