A maple tree shows it's fall colors, Friday, Sept. 17, 2010, in Woodstock, Maine. A vast network of county foresters, volunteers and others contribute their observations to state tourism officials, who in turn work up "foliage forecasts" published online and elsewhere to let leaf-peepers know where to find the best fall foliage. (AP Photo/Robert F. Bukaty)
Read the article: How do you predict fall foliage? With lots of eyes
