 - The lab in the Dept. of Chemistry 9/29/98 (Lafayette, September 12 - 29, 1998)
 - Purdue University 8/13/98 - The lab in the Department of Chemistry 9/1/98 (Lafayette, July 12 - September 1, 1998)
 View of Nuclear Engineering Building from the lab at the Dept. of Chemistry. Purdue University, West Lafayette IN, January 6, 1999.
 - view from the lab of the Department of Chemistry 4/28/98 (Lafayette, April 5 - 28, 1998)
 - The lab in the Department of Chemistry of Purdue University Apr. 25, 28 (Lafayette, April 5 - 28, 1998)
 - The lab in the Department of Chemistry of Purdue University Apr. 25, 28 (Lafayette, April 5 - 28, 1998)
 - The lab in the Department of Chemistry of Purdue University Apr. 25, 28 (Lafayette, April 5 - 28, 1998)
 - Final banquet at Midwest Theoretical Chemistry Conference in Purdue University 5/23/98 (Indiana and Lafayette, May 15 - 24, 1998)
 - Final banquet at Midwest Theoretical Chemistry Conference in Purdue University 5/23/98 (Indiana and Lafayette, May 15 - 24, 1998)
 - Final banquet at Midwest Theoretical Chemistry Conference in Purdue University 5/23/98 (Indiana and Lafayette, May 15 - 24, 1998)
 - Final banquet at Midwest Theoretical Chemistry Conference in Purdue University 5/23/98 (Indiana and Lafayette, May 15 - 24, 1998)
 - Final banquet at Midwest Theoretical Chemistry Conference in Purdue University 5/23/98 (Indiana and Lafayette, May 15 - 24, 1998)
 - Dept. of Chemistry, SMU, Feb. 13, 14 (Wichita Mountains OK, Dallas, February 1 - 22, 1997)
 - Dept. of Chemistry, SMU, Feb. 13, 14 (Wichita Mountains OK, Dallas, February 1 - 22, 1997)
 E. Heller in the Dept. of Chemistry. Beer-Sheva, Ben-Gurion University of the Negev, May 29, 2000
 E. Heller in the Dept. of Chemistry. Beer-Sheva, Ben-Gurion University of the Negev, May 29, 2000
 E. Heller in the Dept. of Chemistry. Beer-Sheva, Ben-Gurion University of the Negev, May 29, 2000
 E. Heller in the Dept. of Chemistry. Beer-Sheva, Ben-Gurion University of the Negev, May 29, 2000
 - the lab in SMU Dept. of Chemistry (Mineral Wells, Dallas, Texas Hill Country, February 23 - March 14, 1997)
 - West to Lafayette and Ross Hills Park 7/26/98 (Lafayette, July 12 - September 1, 1998)
 - West to Lafayette and Ross Hills Park 7/26/98 (Lafayette, July 12 - September 1, 1998)
 - West to Lafayette and Ross Hills Park 7/26/98 (Lafayette, July 12 - September 1, 1998)
 - Morton Community Center in West Lafayette 9/5/98 (Lafayette, September 12 - 29, 1998)
 - 5 - 10 miles west to Lafayette 7/12/98 - Montmorenci (Lafayette, July 12 - September 1, 1998)
 - Morton Community Center in West Lafayette 9/5/98 (Lafayette, September 12 - 29, 1998)
 - 5 - 10 miles west to Lafayette 7/12/98 - Montmorenci (Lafayette, July 12 - September 1, 1998)
 - 5 - 10 miles west to Lafayette 7/12/98 (Lafayette, July 12 - September 1, 1998)
 - Celery Bog in West Lafayette 8/9/98 (Lafayette, July 12 - September 1, 1998)
 - 5 - 10 miles west to Lafayette 7/12/98 (Lafayette, July 12 - September 1, 1998)
 - 5 - 10 miles west to Lafayette 7/12/98 (Lafayette, July 12 - September 1, 1998)
 - Northwestern Avenue in West Lafayette 9/19/98 (Lafayette, September 12 - 29, 1998)
 - 5 - 10 miles west to Lafayette 7/12/98 (Lafayette, July 12 - September 1, 1998)
 - Celery Bog in West Lafayette 8/9/98 (Lafayette, July 12 - September 1, 1998)
 Vesa Nevalainen, David Z. Goodson and William Dills at annual Holiday Potluck Luncheon of Dept. of Chemistry and Biochemistry of UMassD, North Dartmouth, Massachusetts, December 17, 2003
 - Lafayette 9/12/98 (Lafayette, September 12 - 29, 1998)
 Gerald B. Hammond, David Z. Goodson, Sapna Sharma, and researchers at annual Holiday Potluck Luncheon of Dept. of Chemistry and Biochemistry of UMassD, North Dartmouth, Massachusetts, December 17, 2003
 - Patriotic concert in West Lafayette, Purdue campus 7/4/98 (Lafayette, May 24 - July 12, 1998)
 - Patriotic concert in West Lafayette, Purdue campus 7/4/98 (Lafayette, May 24 - July 12, 1998)
 - Patriotic concert in West Lafayette, Purdue campus 7/4/98 (Lafayette, May 24 - July 12, 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)
 - 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)
 - Erie, Ferry, State, Valley Street and downtown Lafayette 4/12/98 (Lafayette, April 5 - 28, 1998)
 - Erie, Ferry, State, Valley Street and downtown Lafayette 4/12/98 (Lafayette, April 5 - 28, 1998)
 - Erie, Ferry, State, Valley Street and downtown Lafayette 4/12/98 (Lafayette, April 5 - 28, 1998)
 - Erie, Ferry, State, Valley Street and downtown Lafayette 4/12/98 (Lafayette, April 5 - 28, 1998)
 - Erie, Ferry, State, Valley Street and downtown Lafayette 4/12/98 (Lafayette, April 5 - 28, 1998)
 - Erie, Ferry, State, Valley Street and downtown Lafayette 4/12/98 (Lafayette, April 5 - 28, 1998)
 - A park near Celery Bog in West Lafayette 10/25/98 (Lafayette - Knobstone Trail, Indiana, October 25 - 31, 1998)
 - Erie, Ferry, State, Valley Street and downtown Lafayette 4/12/98 (Lafayette, April 5 - 28, 1998)
 - Erie, Ferry, State, Valley Street and downtown Lafayette 4/12/98 (Lafayette, April 5 - 28, 1998)
 - Erie, Ferry, State, Valley Street and downtown Lafayette 4/12/98 (Lafayette, April 5 - 28, 1998)
 - Erie, Ferry, State, Valley Street and downtown Lafayette 4/12/98 (Lafayette, April 5 - 28, 1998)
 - Erie, Ferry, State, Valley Street and downtown Lafayette 4/12/98 (Lafayette, April 5 - 28, 1998)
 - trip to Fort Ouiatenon 8/2/98 (Lafayette, July 12 - September 1, 1998)
 - trip to Fort Ouiatenon 8/2/98 (Lafayette, July 12 - September 1, 1998)
 - Purdue University campus Sept. 28, 29 (Lafayette, September 12 - 29, 1998)
 - Purdue University campus Sept. 28, 29 (Lafayette, September 12 - 29, 1998)
 - trip to Fort Ouiatenon 8/2/98 (Lafayette, July 12 - September 1, 1998)
 - trip to Fort Ouiatenon 8/2/98 (Lafayette, July 12 - September 1, 1998)
 - Purdue University campus Sept. 28, 29 (Lafayette, September 12 - 29, 1998)
 - Purdue University campus Sept. 28, 29 (Lafayette, September 12 - 29, 1998)
 - Purdue University campus Sept. 28, 29 (Lafayette, September 12 - 29, 1998)
 - Horticulture Park in West Lafayette 11/15/98 (Lafayette, November 4 - 15, 1998)
 - Horticulture Park in West Lafayette 11/15/98 (Lafayette, November 4 - 15, 1998)
 - Horticulture Park in West Lafayette 11/15/98 (Lafayette, November 4 - 15, 1998)
 - Horticulture Park in West Lafayette 11/15/98 (Lafayette, November 4 - 15, 1998)
 - Celery Bog in West Lafayette 10/25/98 (Chicago - Lafayette, October 17 - 25, 1998)
 - Celery Bog in West Lafayette 10/25/98 (Chicago - Lafayette, October 17 - 25, 1998)
 - North to West Lafayette 10/10/98 (Lafayette, October 4 - 11, 1998)
 - a party in West Lafayette 11/13/98 (Lafayette, November 4 - 15, 1998)
 - West Lafayette 10/19/98 (Chicago - Lafayette, October 17 - 25, 1998)
 - West Lafayette 10/19/98 (Chicago - Lafayette, October 17 - 25, 1998)
 - North to West Lafayette 10/10/98 (Lafayette, October 4 - 11, 1998)
 - trail to Battle Ground along Wabash River 7/19/98, 8/30/98 (Lafayette, July 12 - September 1, 1998)
 - trail to Battle Ground along Wabash River 7/19/98, 8/30/98 (Lafayette, July 12 - September 1, 1998)
 - trail to Battle Ground along Wabash River 7/19/98, 8/30/98 (Lafayette, July 12 - September 1, 1998)
 - trail to Battle Ground along Wabash River 7/19/98, 8/30/98 (Lafayette, July 12 - September 1, 1998)
 - trail to Battle Ground along Wabash River 7/19/98, 8/30/98 (Lafayette, July 12 - September 1, 1998)
 - Lafayette 3/22/98 (Lafayette March 22 - April 5, 1998)
 - West Lafayette 4/12/98 (Lafayette, April 5 - 28, 1998)
 - Lafayette 3/22/98 (Lafayette March 22 - April 5, 1998)
 - Lafayette 10/24/98 (Chicago - Lafayette, October 17 - 25, 1998)
 - North to Lafayette 7/4/98, 7/12/98 (Lafayette, May 24 - July 12, 1998)
 - North to Lafayette 7/4/98, 7/12/98 (Lafayette, May 24 - July 12, 1998)
 - West Lafayette Nov. 4 - 7 (Lafayette, November 4 - 15, 1998)
 - West Lafayette 10/10/98 (Lafayette, October 4 - 11, 1998)
 - West Lafayette 10/10/98 (Lafayette, October 4 - 11, 1998)
 - West Lafayette 10/10/98 (Lafayette, October 4 - 11, 1998)
 - West Lafayette 10/10/98 (Lafayette, October 4 - 11, 1998)
 - West Lafayette 10/10/98 (Lafayette, October 4 - 11, 1998)
 - West Lafayette 10/10/98 (Lafayette, October 4 - 11, 1998)
 - West Lafayette 10/10/98 (Lafayette, October 4 - 11, 1998)
 - Lafayette 10/24/98 (Chicago - Lafayette, October 17 - 25, 1998)
 - West Lafayette Nov. 4 - 7 (Lafayette, November 4 - 15, 1998)
 - West Lafayette Nov. 4 - 7 (Lafayette, November 4 - 15, 1998)
 - West Lafayette Nov. 4 - 7 (Lafayette, November 4 - 15, 1998)
 - West Lafayette 10/10/98 (Lafayette, October 4 - 11, 1998)
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