 Happy Hollow Park in West Lafayette, Indiana, September 22, 1999.
 Founders Park in Purdue University. West Lafayette, Indiana, September 21, 1999.
 A trail in Ross Hills Park, 6 miles west from Lafayette, Indiana, September 25, 1999.
 A marsh in Ross Hills Park, 6 miles west from Lafayette, Indiana, September 25, 1999.
 Forest along Wabash River in Ross Hills Park, 6 miles west from Lafayette, Indiana, September 25, 1999.
 Greenbrier and poison ivy on trees in Ross Hills Park, 6 miles west from Lafayette, Indiana, September 25, 1999.
 A water snake and big shells in Wabash River in Ross Hills Park, 6 miles west from Lafayette, Indiana, September 25, 1999.
 A pasture and a corn field along County Road 500 West west from Lafayette, Indiana, September 25, 1999.
 A farm near Division Road west from Lafayette, Indiana, September 25, 1999.
 Soybean field near Road 26 west to Lafayette, Indiana, September 25, 1999.
 A forest near Division Road west from Lafayette, Indiana, September 25, 1999.
 Fountain of Purdue University Mall. West Lafayette, Indiana, September 21, 1999.
 Blue racer snake (Coluber constrictor foxi) swimming in Wabash River in Ross Hills Park, 6 miles west from Lafayette, Indiana, September 25, 1999.
 Purdue University Mall during afternoon hours. West Lafayette, Indiana, September 21, 1999.
 Purdue University Mall and Electrical Engineering Building. West Lafayette, Indiana, September 26, 1999.
 View of Purdue University Mall from the second floor of Electrical Engineering Building. West Lafayette, Indiana, September 21, 1999.
 Ross Hills Park, 7 miles west from West Lafayette. Indiana, May 1, 1999.
 Ross Hills Park, 7 miles west from West Lafayette. Indiana, May 1, 1999.
 Ross Hills Park, 7 miles west from West Lafayette. Indiana, May 1, 1999.
 Ross Hills Park, 7 miles west from West Lafayette. Indiana, May 1, 1999.
 Happy Hollow Park. West Lafayette, Indiana, May 5, 1999.
 Greenbrier in Ross Hills Park, 7 miles west from West Lafayette. Indiana, May 1, 1999.
 A road in Ross Hills Park, 7 miles west from West Lafayette. Indiana, May 1, 1999.
 Parasite plants in Ross Hills Park, 7 miles west from West Lafayette. Indiana, May 1, 1999.
 A road with dogwood in Ross Hills Park, 7 miles west from West Lafayette. Indiana, May 1, 1999.
 Abandoned vehicle in Ross Hills Park, 7 miles west from West Lafayette. Indiana, May 1, 1999.
 Phloxes and violets in grass of Ross Hills Park, 7 miles west from West Lafayette. Indiana, May 1, 1999.
 Marsh plants and dogwood in Ross Hills Park, 7 miles west from West Lafayette. Indiana, May 1, 1999.
 Happy Hollow Park. West Lafayette, Indiana, October 21, 1999.
 Happy Hollow Park. West Lafayette, Indiana, October 21, 1999.
 Unidentified construction in Celery Bog Park. West Lafayette, Indiana, May 9, 1999.
 Happy Hollow Park in West Lafayette, Indiana, April 30, 1999.
 Happy Hollow Park in West Lafayette, Indiana, October 10, 1999.
 Happy Hollow Park. West Lafayette, Indiana, October 21, 1999.
 A marsh and a meadow near Wabash River in Ross Hills Park, 7 miles west from West Lafayette. Indiana, May 1, 1999.
 A trail in Happy Hollow Park. West Lafayette, Indiana, October 21, 1999.
 A trail in Happy Hollow Park. West Lafayette, Indiana, October 27, 1999.
 A trail in Happy Hollow Park. West Lafayette, Indiana, October 21, 1999.
 Oaks in Happy Hollow Park. West Lafayette, Indiana, October 27, 1999.
 Bottom of Happy Hollow Park. West Lafayette, Indiana, October 27, 1999.
 Slopes of Happy Hollow Park in West Lafayette, Indiana, October 10, 1999.
 Late fall in Happy Hollow Park. West Lafayette, Indiana, October 27, 1999.
 Fall colors in Happy Hollow Park. West Lafayette, Indiana, October 27, 1999.
 Fall colors in Happy Hollow Park. West Lafayette, Indiana, October 27, 1999.
 Maple crowns in Happy Hollow Park. West Lafayette, Indiana, October 27, 1999.
 Soil erosion in Happy Hollow Park. West Lafayette, Indiana, October 27, 1999.
 A mysterious sign on a marble grave of L. Godfrey (died May 22, 1847) on a small cemetery at Kerber Road, 6 miles west from Lafayette, Indiana, September 25, 1999.
 Large colonies of May apples on a semishaded woodland opening near Deer Pass in Ross Hills Park, 7 miles west from West Lafayette. Indiana, May 1, 1999.
 A meadow near Wabash River at Ross Hills Park 5 miles west from Lafayette. Indiana, October 30, 1999.
 A trail along Wabash River at Ross Hills Park 5 miles west from Lafayette. Indiana, October 30, 1999.
 Fallen sycamore near Wabash River at Ross Hills Park 5 miles west from Lafayette. Indiana, October 30, 1999.
 Dead forest in a marsh near Wabash River at Ross Hills Park 5 miles west from Lafayette. Indiana, October 30, 1999.
 Sunflowers at Heritage Trail near Lafayette, Indiana, September 11, 1999.
 A soybean field north from Lafayette, Indiana, September 11, 1999.
 West Lafayette. Indiana, April 30, 1999.
 Celery Bog. West Lafayette, Indiana, May 9, 1999.
 Corn festival in Brookston, north from Lafayette, Indiana. September 18, 1999.
 An abandoned (?) house on Ferry Street. Lafayette, Indiana, September 26, 1999.
 Tippecanoe River (after a drought) north from Lafayette, Indiana. September 18, 1999.
 A lecture of Sabre Kais Phase transitions and critical phenomena for electronic structure of atoms and molecules (?) at internal meeting of the quantum chemistry group of Purdue University. West Lafayette, Indiana, September 21, 1999.
 Maywood Drive. West Lafayette, Indiana, May 2, 1999.
 Sheridan Road. West Lafayette, Indiana, May 2, 1999.
 Near Hillcrest(?) Road. West Lafayette, Indiana, May 2, 1999.
 Leslie Ct. West Lafayette, Indiana, November 3, 1999.
 Near Hillcrest(?) Road. West Lafayette, Indiana, May 2, 1999.
 Hillcrest Road. West Lafayette, Indiana, May 3, 1999.
 Garden Street. West Lafayette, Indiana, May 2, 1999.
 Ravinia(?) Road. West Lafayette, Indiana, May 2, 1999.
 Carrolton Boulevard. West Lafayette, Indiana, May 2, 1999.
 Hillcrest Road. West Lafayette, Indiana, May 3, 1999.
 State Road 500, 5 miles west from West Lafayette. Indiana, May 1, 1999.
 Yellow flowers on a corn field near State Road 350(?), 5 miles west from West Lafayette. Indiana, May 1, 1999.
 Ravinia Road. West Lafayette, Indiana, October 30, 1999.
 Leslie Avenue. West Lafayette, Indiana, October 30, 1999.
 Elmwood (?) Drive. West Lafayette, Indiana, October 30, 1999.
 Garden (?) Street. West Lafayette, Indiana, October 30, 1999.
 Jefferson Street. West Lafayette, Indiana, October 30, 1999.
 Jefferson Street. West Lafayette, Indiana, November 3, 1999.
 Ravinia Road. West Lafayette, Indiana, November 3, 1999.
 A rabbit in a backyard of the house. West Lafayette, Indiana, May 17, 1999.
 Northridge (?) Drive. West Lafayette, Indiana, October 30, 1999.
 Ravinia (?) Road. West Lafayette, Indiana, October 30, 1999.
 Ravinia (?) Road. West Lafayette, Indiana, October 30, 1999.
 Ravinia Road. West Lafayette, Indiana, October 30, 1999.
 Northridge Drive. West Lafayette, Indiana, October 30, 1999.
 Northridge Drive. West Lafayette, Indiana, October 30, 1999.
 Ravinia Road. West Lafayette, Indiana, October 30, 1999.
 Ravinia Road. West Lafayette, Indiana, October 30, 1999.
 Ridgewood (?) Road. West Lafayette, Indiana, October 30, 1999.
 Ravinia (?) Road. West Lafayette, Indiana, November 3, 1999.
 Garden Street. West Lafayette, Indiana, November 3, 1999.
 Garden Street. West Lafayette, Indiana, November 3, 1999.
 Summit Drive. West Lafayette, Indiana, October 30, 1999.
 Hillcrest Road in West Lafayette, Indiana, April 30, 1999.
 Hills and Dales area. West Lafayette, Indiana, May 2, 1999.
 Hills and Dales area. West Lafayette, Indiana, May 2, 1999.
 Hillcrest Road (?) in West Lafayette, Indiana, April 30, 1999.
 Hills and Dales area. West Lafayette, Indiana, May 2, 1999.
 Hills and Dales area. West Lafayette, Indiana, May 2, 1999.
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