 Delaware and Raritan Canal near Institute for Advanced Study. Princeton, New Jersey, February 27, 2007
 An alley in front of Institute for Advanced Study. Princeton, New Jersey, February 28, 2007
 A path in Delaware and Raritan Canal State Park, near Washington Road bridge. Princeton, New Jersey, May 3, 2007
 Sprouting poison ivy, in Delaware and Raritan Canal State Park, near Washington Road bridge. Princeton, New Jersey, May 3, 2007
 Institute for Advanced Study. Princeton, New Jersey, March 7, 2007
 A maple branch on a path in Delaware and Raritan Canal State Park, near Washington Road bridge. Princeton, New Jersey, May 3, 2007
 A towpath in Delaware and Raritan Canal State Park. Princeton, New Jersey, February 21, 2007
 Trees in front of Institute for Advanced Study. Princeton, New Jersey, March 7, 2007
 A cottage on Lake Carnegie, view from Delaware and Raritan Canal State Park. Princeton, New Jersey, May 5, 2007
 Pipeline Trail in a park of Institute for Advanced Study (Institute Woods). Princeton, New Jersey, April 30, 2007
 A cottage at Faculty Road on Lake Carnegie, view from Delaware and Raritan Canal State Park. Princeton, New Jersey, May 5, 2007
 River s Edge Trail in a park of Institute for Advanced Study (Institute Woods). Princeton, New Jersey, April 30, 2007
 Nodding waxy flower of May apple (mandrake, Podophyllum peltatum) in Delaware and Raritan Canal State Park, near Washington Road bridge. Princeton, New Jersey, May 3, 2007
 Sweet gum fruits in snow on a trail in Delaware and Raritan Canal State Park. Princeton, New Jersey, February 20, 2007
 A trail in area of beech stand in a park of Institute for Advanced Study (Institute Woods). Princeton, New Jersey, April 30, 2007
 Crossing of Einstein Drive and Maxwell Lane, with Institute for Advanced Study in background. Princeton, New Jersey, March 7, 2007
 Deeply divided umbrella-like leaf of May apple (mandrake) in a park of Institute for Advanced Study. Princeton, New Jersey, April 18, 2007
 A path between Lake Carnegie and Delaware and Raritan Canal. Princeton, New Jersey, April 9, 2007
 Delaware and Raritan Canal towpath near Lake Carnegie. Princeton, New Jersey, March 2, 2007
 A trail in Delaware and Raritan Canal State Park. Princeton, New Jersey, March 23, 2007
 Delaware and Raritan Canal towpath near Lake Carnegie, at evening. Princeton, New Jersey, March 2, 2007
 A bud of a tree, with Delaware and Raritan Canal in background, near Harrison Street crossing. Princeton, New Jersey, May 1, 2007
 A towpath near Lake Carnegie, in Delaware and Raritan Canal State Park. Princeton, New Jersey, May 5, 2007
 Poison ivy with background of Delaware and Raritan Canal, near Harrison Street crossing. Princeton, New Jersey, May 1, 2007
 A grotto in Delaware and Raritan Canal State Park between Kingston and Princeton. New Jersey, March 28, 2007
 Buds of maples, in Delaware and Raritan Canal State Park, near Carnegie Lake. Princeton, New Jersey, May 5, 2007
 Sprouting poison ivy, in Delaware and Raritan Canal State Park, near Carnegie Lake. Princeton, New Jersey, May 5, 2007
 Delaware and Raritan Canal State Park east from Harrison Street. Princeton, New Jersey, March 13, 2007
 Emerging poison ivy, in Delaware and Raritan Canal State Park, near Carnegie Lake. Princeton, New Jersey, May 2, 2007
 Poison ivy in Delaware and Raritan Canal State Park, near Harrison Street crossing. Princeton, New Jersey, May 1, 2007
 Delaware and Raritan Canal State Park east from Washington Road. Princeton, New Jersey, March 13, 2007
 Poison ivy shooting over Lake Carnegie, in Delaware and Raritan Canal State Park. Princeton, New Jersey, May 5, 2007
 Poison ivy, in Delaware and Raritan Canal State Park, near Harrison Street crossing. Princeton, New Jersey, May 1, 2007
 Poison ivy in Delaware and Raritan Canal State Park, near Harrison Street crossing. Princeton, New Jersey, May 1, 2007
 Delaware and Raritan Canal towpath near Lake Carnegie, west from Washington Road. Princeton, New Jersey, March 2, 2007
 Multicolored sprout of poison ivy in Delaware and Raritan Canal State Park near Carnegie Lake. Princeton, New Jersey, May 8, 2007
 Red and yellow sprout of poison ivy in Delaware and Raritan Canal State Park near Carnegie Lake. Princeton, New Jersey, May 8, 2007
 Colored offshoots of poison ivy in Delaware and Raritan Canal State Park near Carnegie Lake. Princeton, New Jersey, May 8, 2007
 A sprout of poison ivy, in Delaware and Raritan Canal State Park, near Harrison Street crossing. Princeton, New Jersey, May 1, 2007
 Emerging leaves of poison ivy, in Delaware and Raritan Canal State Park, near Carnegie Lake. Princeton, New Jersey, May 2, 2007
 Young leaf of poison ivy in Delaware and Raritan Canal State Park near Carnegie Lake. Princeton, New Jersey, May 8, 2007
 Leaves of poison ivy, in Delaware and Raritan Canal State Park, near Harrison Street crossing. Princeton, New Jersey, May 1, 2007
 Red and yellow leaves of poison ivy in Delaware and Raritan Canal State Park near Carnegie Lake. Princeton, New Jersey, May 8, 2007
 Offshoot of poison ivy, in Delaware and Raritan Canal State Park, near Harrison Street crossing. Princeton, New Jersey, May 1, 2007
 Sprouting poison ivy on a tree, in Delaware and Raritan Canal State Park, near Carnegie Lake. Princeton, New Jersey, May 2, 2007
 Young leaves of poison ivy, in Delaware and Raritan Canal State Park, near Carnegie Lake. Princeton, New Jersey, May 5, 2007
 Poison ivy with budding flowers, in Delaware and Raritan Canal State Park, near Carnegie Lake. Princeton, New Jersey, May 5, 2007
 Colored young leaves of poison ivy in Delaware and Raritan Canal State Park near Carnegie Lake. Princeton, New Jersey, May 8, 2007
 Poison ivy on bark of a tree, in Delaware and Raritan Canal State Park, near Harrison Street crossing. Princeton, New Jersey, May 1, 2007
 Poison ivy with budding flowers, in Delaware and Raritan Canal State Park, near Harrison Street crossing. Princeton, New Jersey, May 1, 2007
 Young leaves of poison ivy on a tree, in Delaware and Raritan Canal State Park, near Carnegie Lake. Princeton, New Jersey, May 2, 2007
 A blooming tree in Delaware and Raritan Canal State Park near Washington Road crossing. Princeton, New Jersey, April 20, 2007
 A sprout of a creeping plant on a tree, in Delaware and Raritan Canal State Park, near Carnegie Lake. Princeton, New Jersey, May 2, 2007
 A sprout of poison ivy on a tree, in Delaware and Raritan Canal State Park, near Harrison Street crossing. Princeton, New Jersey, May 2, 2007
 Emerging young leaves of poison ivy, in Delaware and Raritan Canal State Park, near Carnegie Lake. Princeton, New Jersey, May 2, 2007
 A frozen Lake Carnegie, view from Delaware and Raritan Canal State Park. Kingston, New Jersey, February 10, 2007
 Millstone aqueduct and a footbridge in Delaware and Raritan Canal State Park near Harrison Street crossing. Princeton, New Jersey, April 20, 2007
 Flooding of Millstone River bridge in Delaware and Raritan Canal State Park, near Road 27. Kingston, New Jersey, April 16, 2007
 A suspension bridge across Stony Brook in the park of Institute for Advanced Studies. Princeton, New Jersey, March 29, 2007
 A mill near Carnegie Lake, view from a dam in Delaware and Raritan Canal State Park. Kingston, New Jersey, May 10, 2007
 A mill, view from a dam in Delaware and Raritan Canal State Park, near Carnegie Lake. Kingston, New Jersey, May 4, 2007
 Spillway in Delaware and Raritan Canal State Park. Kingston, New Jersey, February 10, 2007
 Carnegie Lake near Faculty Road, view from Delaware and Raritan Canal State Park. Kingston, New Jersey, May 5, 2007
 Tracks on a trail of Delaware and Raritan Canal State Park. Kingston, New Jersey, February 26, 2007
 A towpath in Delaware and Raritan Canal State Park north from Kingston. New Jersey, February 24, 2007
 A trail in Delaware and Raritan Canal State Park north from Kingston. New Jersey, February 24, 2007
 Snow on a towpath in Delaware and Raritan Canal State Park. Kingston, New Jersey, February 21, 2007
 Snowy trail in Delaware and Raritan Canal State Park. Kingston, New Jersey, February 21, 2007
 Bird s tracks on a towpath of Delaware and Raritan Canal State Park. Kingston, New Jersey, February 26, 2007
 Flooding of a trail in Delaware and Raritan Canal State Park, view from Road 27 crossing to the north. Kingston, New Jersey, April 16, 2007
 Towpath of Delaware and Raritan Canal near Kingston. New Jersey, March 8, 2007
 A towpath of Delaware and Raritan Canal State Park, near Griggstown. New Jersey, May 11, 2007
 A path in Delaware and Raritan Canal State Park. Kingston, New Jersey, May 7, 2007
 A road in Delaware and Raritan Canal State Park. Kingston, New Jersey, May 7, 2007
 Towpath of Delaware and Raritan Canal north from Kingston, New Jersey. March 22, 2007
 A towpath of Delaware and Raritan Canal north from Kingston. New Jersey, April 2, 2007
 A path between Millstone River and Delaware and Raritan Canal in fog. Kingston, New Jersey, April 2, 2007
 A trail in Delaware and Raritan Canal State Park. Kingston, New Jersey, March 28, 2007
 A path in Delaware and Raritan Canal State Park. North from Kingston, New Jersey, May 7, 2007
 A road in Delaware and Raritan Canal State Park, north from Griggstown. New Jersey, May 11, 2007
 Milestone 15/29 in Delaware and Raritan Canal State Park, north from Griggstown. New Jersey, May 11, 2007
 A flowering bush and poison ivy over Delaware and Raritan Canal, near Carnegie Lake. Kingston, New Jersey, May 10, 2007
 Poison ivy on a bark of a tree in Delaware and Raritan Canal State Park. Kingston, New Jersey, May 7, 2007
 Flooding in Delaware and Raritan Canal State Park, near Road 27. Kingston, New Jersey, April 16, 2007
 A towpath near Carnegie Lake, in Delaware and Raritan Canal State Park. Kingston, New Jersey, May 10, 2007
 A path in Delaware and Raritan Canal State Park, near Carnegie Lake. Kingston, New Jersey, May 4, 2007
 Poison Ivy in Delaware and Raritan Canal State Park, near Carnegie Lake. Kingston, New Jersey, May 4, 2007
 Young leaves of poison ivy over Delaware and Raritan Canal, near Carnegie Lake. Kingston, New Jersey, May 10, 2007
 Flowers of skunk cabbage in Delaware and Raritan Canal State Park. Kingston, New Jersey, March 27, 2007
 Greenery on a towpath of Delaware and Raritan Canal State Park, near Carnegie Lake. Kingston, New Jersey, May 10, 2007
 Emerging poison ivy, in Delaware and Raritan Canal State Park, near Carnegie Lake. Kingston, New Jersey, May 4, 2007
 A path in Delaware and Raritan Canal State Park, with a milestone in foreground. North from Kingston, New Jersey, May 7, 2007
 Buds of skunk cabbage in Delaware and Raritan Canal State Park. Kingston, New Jersey, March 23, 2007
 Skunk cabbage in the park behind Institute for Advanced Studies. Princeton, New Jersey, March 30, 2007
 A bench near a pond in the park of Institute for Advanced Studies. Princeton, New Jersey, March 30, 2007
 A towpath of Delaware and Raritan Canal State Park west from Mapleton Road. Kingston, New Jersey, April 20, 2007
 A family walking on a towpath of Delaware and Raritan Canal State Park, near Carnegie Lake. Kingston, New Jersey, May 10, 2007
 A grotto in Delaware and Raritan Canal State Park west from Mapleton Road. Kingston, New Jersey, April 20, 2007
 A marker of a tunnel under Route 27 to towpath in Delaware and Raritan Canal State Park. Kingston, New Jersey, April 16, 2007
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