Purdue Mall, the fountain, and Hall of Administration, view from Electrical Engineering Building. Purdue University, West Lafayette, Indiana, October 29, 1999.
Intersection of Garden Street with Summit Drive. West Lafayette, Indiana, October 30, 1999.
- Knobstone Trail near Elk Creek? 10/31/98 (Lafayette - Knobstone Trail, Indiana, October 25 - 31, 1998)
A trail along Wabash River at Ross Hills Park 5 miles west from Lafayette. Indiana, October 30, 1999.
C.R. 500 North 2 miles north from West Lafayette. Indiana, October 30, 1999.
C.R. 500 North 2 miles north from West Lafayette. Indiana, October 30, 1999.
Fall colors in Happy Hollow Park. West Lafayette, Indiana, October 27, 1999.
Corn in a field near Otterbein on C.R. 1200 East 6 miles west from Lafayette. Indiana, October 30, 1999.
- Knobstone Trail near Elk Creek? 10/31/98 (Lafayette - Knobstone Trail, Indiana, October 25 - 31, 1998)
Corner of Hillcrest and Ravinia Road. West Lafayette, Indiana, October 30, 1999.
- A park near Celery Bog in West Lafayette 10/25/98 (Lafayette - Knobstone Trail, Indiana, October 25 - 31, 1998)
- Knobstone Trail near Elk Creek? 10/31/98 (Lafayette - Knobstone Trail, Indiana, October 25 - 31, 1998)
- Knobstone Trail near Elk Creek? 10/31/98 (Lafayette - Knobstone Trail, Indiana, October 25 - 31, 1998)
S.-w. side of Purdue Mall, view from Electrical Engineering Building. Purdue University, West Lafayette, Indiana, October 29, 1999.
- Knobstone Trail near Elk Creek? 10/31/98 (Lafayette - Knobstone Trail, Indiana, October 25 - 31, 1998)
Soil erosion in Happy Hollow Park. West Lafayette, Indiana, October 27, 1999.
- Knobstone Trail near Elk Creek? 10/31/98 (Lafayette - Knobstone Trail, Indiana, October 25 - 31, 1998)
Maple crowns in Happy Hollow Park. West Lafayette, Indiana, October 27, 1999.
Garden Street near Northwestern Avenue. West Lafayette, Indiana, October 29, 1999.
A meadow near Wabash River at Ross Hills Park 5 miles west from Lafayette. Indiana, October 30, 1999.
Garden Street before local elections. West Lafayette, Indiana, October 28, 1999.
A grey squirrel gnawing a nut on its home range near Mechanical Engineering Building. Purdue University, West Lafayette, Indiana, October 1, 1999.
Slopes of Happy Hollow Park in West Lafayette, Indiana, October 10, 1999.
Corn field near Otterbein on C.R. 1200 East 6 miles west from Lafayette. Indiana, October 30, 1999.
Garden Street near Northwestern Avenue. West Lafayette, Indiana, October 30, 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.
Corner of Garden Street and Elmwood Drive. West Lafayette, Indiana, October 30, 1999.
Intersection of Ridgewood and Ravinia Road. West Lafayette, Indiana, October 30, 1999.
- Knobstone Trail near Elk Creek? 10/31/98 (Lafayette - Knobstone Trail, Indiana, October 25 - 31, 1998)
Hedge apples (fruits of osage orange) near Battle Ground. Indiana, October 16, 1999.
Fallen sycamore near Wabash River at Ross Hills Park 5 miles west from Lafayette. Indiana, October 30, 1999.
- Knobstone Trail near Elk Creek? 10/31/98 (Lafayette - Knobstone Trail, Indiana, October 25 - 31, 1998)
Winter mushrooms (velvet foot, Flammulina velutipes) near Battle Ground. Indiana, October 16, 1999.
Salisbury Street near Parkridge Drive. West Lafayette, Indiana, October 28, 1999.
- West Lafayette, Oct. 26-28 (Lafayette - Knobstone Trail, Indiana, October 25 - 31, 1998)
A barn opposite to Harrison High School, 2 miles north from West Lafayette. Indiana, October 16, 1999.
Dead forest in a marsh near Wabash River at Ross Hills Park 5 miles west from Lafayette. Indiana, October 30, 1999.
- West Lafayette, Oct. 26-28 (Lafayette - Knobstone Trail, Indiana, October 25 - 31, 1998)
- West Lafayette, Oct. 26-28 (Lafayette - Knobstone Trail, Indiana, October 25 - 31, 1998)
- West Lafayette, Oct. 26-28 (Lafayette - Knobstone Trail, Indiana, October 25 - 31, 1998)
Qicun Shi explains to Sabre Kais correlation effects in scattering of an electron on lithium-like atom with a variable nuclear charge slightly above two after a lecture of Imad Ladadwa about ionization cross sections at internal meeting of the quantum chemistry group. Purdue University, West Lafayette, Indiana, October 1, 1999.
Sabre Kais and Qicun Shi discuss electronic shell structure and correlations in scattering of an electron on lithium-like atom with a variable nuclear charge slightly above two after a lecture of Imad Ladadwa about ionization cross sections at internal meeting of the quantum chemistry group. Purdue University, West Lafayette, Indiana, October 1, 1999.
A squirrel on an electric pole at Garden Street. West Lafayette, Indiana, October 21, 1999.
Imad Ladadwa, Stephen Belair and Ricardo A. Sauerwein at a party in S. Kais home. West Lafayette, Indiana, 3 p.m. October 31, 1999.
Pablo Nigra and Sabre Kais at a party in S. Kais home. West Lafayette, Indiana, 3 p.m. October 31, 1999.
Qicun Shi at a party in S. Kais home. West Lafayette, Indiana, 3 p.m. October 31, 1999.
Pablo Nigra and Sabre Kais at a party in S. Kais home. West Lafayette, Indiana, 3 p.m. October 31, 1999.
Unidentified fungus of genus Polyporus collected in October of 2003 in Amazon Indiana, Peru, in S. M. Tracy Herbarium of Texas A and M University. College Station, Texas, June 5, 2022
