 A lake near Columbia, Missouri. October 24, 1999.
 A lake near Columbia, Missouri. October 24, 1999.
 Kathy Trail along Missouri River near Columbia, Missouri. October 23, 1999.
 Kathy Trail along Missouri River near Columbia, Missouri. October 23, 1999.
 Rocks along Missouri River, view from Kathy Trail near Columbia, Missouri. October 23, 1999.
 Bushes on rocks along Missouri River, view from Kathy Trail near Columbia, Missouri. October 23, 1999.
 Rocks and bushes along Missouri River, view from Kathy Trail near Columbia, Missouri. October 23, 1999.
 Jesse Hall (administration building). University of Columbia in Missouri, October 23, 1999.
 Remains of Academic Hall burned Jan. 9, 1892 on Francis Quadrangle. University of Columbia in Missouri, October 23, 1999.
 Brushwood Lake near MKT Parkway. Columbia, Missouri, September 8, 2005
 A small lake near High Ridge trail in Rock Bridge State Park. Columbia, Missouri, September 24, 2005
 Old railroad bridge of MKT Parkway. Columbia, Missouri, September 8, 2005
 Twin Lakes at evening. Columbia, Missouri, September 2, 2005
 Twin Lakes at sunset. Columbia, Missouri, September 6, 2005
 Burr Oak Road, at morning. Columbia, Missouri, September 24, 2005
 Twin Lakes at evening, after rain. Columbia, Missouri, September 19, 2005
 Waterfall in Shelter Insurance Gardens. Columbia, Missouri, September 1, 2005
 A farm, view from road K, near Rock Bridge Park. Columbia, Missouri, September 24, 2005
 High Ridge trail in Rock Bridge State Park, at morning. Columbia, Missouri, September 24, 2005
 Sunflowers near High Ridge Trail in Rock Bridge State Park. Columbia, Missouri, September 17, 2005
 High Ridge Trail at morning in Rock Bridge State Park. Columbia, Missouri, September 17, 2005
 Persimmons fallen on Grassland Trail in Rock Bridge State Park. Columbia, Missouri, September 25, 2005
 Armillaria mushrooms near Deer Run Trail in Rock Bridge State Park. Columbia, Missouri, September 12, 2005
 A mushroom in Rock Bridge State Park, on High Ridge trail. Columbia, Missouri, September 22, 2005
 A.S. reading a book titled "Why the United States will cease to exist", in Russian. Columbia, Missouri, September 9, 2005
 High Ridge Trail in morning fog in Rock Bridge State Park. Columbia, Missouri, September 17, 2005
 Dew on spider web at morning near High Ridge Trail in Rock Bridge State Park. Columbia, Missouri, September 17, 2005
 Wild persimmons fallen on Grassland Trail in Rock Bridge State Park. Columbia, Missouri, September 28, 2005
 High Ridge trail in Rock Bridge State Park, at misty morning. Columbia, Missouri, September 24, 2005
 Chanterelle mushrooms near Devil s Icebox Trail in Rock Bridge State Park. Columbia, Missouri, September 27, 2005
 Staghorn sumac (Rhus typhina) near High Ridge Trail in Rock Bridge State Park. Columbia, Missouri, September 29, 2005
 Giant puffball mushroom between Devil s Icebox and Sinkhole trails in Rock Bridge State Park. Columbia, Missouri, September 27, 2005
 A giant puffball mushroom between Devil s Icebox and Sinkhole trails in Rock Bridge State Park. Columbia, Missouri, September 27, 2005
 A trail along Wabash River at Ross Hills Park 5 miles west from Lafayette. Indiana, October 30, 1999.
 A meadow near 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.
 Leccinum mushrooms with yellow pores under pine trees near Red Connection of Spring Brook Trail in Rock Bridge State Park. Columbia, Missouri, September 11, 2005
 Branched thorns growing from a trunk of honey locust (Gleditsia triacanthos) near Deer Run Trail in Rock Bridge State Park. Columbia, Missouri, September 12, 2005
 Dead forest in a marsh near Wabash River at Ross Hills Park 5 miles west from Lafayette. Indiana, October 30, 1999.
 Wild persimmon (Diospyros virginiana) near Gan s Creek trail head (blue trail) in Rock Bridge State Park. Columbia, Missouri, September 16, 2005
 Hills and Dales area. West Lafayette, Indiana, May 2, 1999.
 Hills and Dales area. West Lafayette, Indiana, May 2, 1999.
 Mushrooms at Ross Hills Park near Lafayette IN, June 13, 1999.
 Hills and Dales area. West Lafayette, Indiana, May 2, 1999.
 Hills and Dales area. West Lafayette, Indiana, May 2, 1999.
 Pine Hills Park in Indiana, July 24, 1999. Honeycomb wall.
 Ravinia Road in Hills and Dales area. West Lafayette, Indiana, May 2, 1999.
 Northridge Drive in Hills and Dales area. West Lafayette, Indiana, May 2, 1999.
 A marsh in Ross Hills Park, 6 miles west from Lafayette, Indiana, September 25, 1999.
 A trail in Ross Hills Park, 6 miles west from Lafayette, Indiana, September 25, 1999.
 A road cut through glacier sand hills north from Gorynskoe Lake near Lembolovo, 30 miles north from Saint Petersburg. Russia, August 19, 2004
 Greenbrier and poison ivy on trees 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.
 A water snake and big shells in Wabash River in Ross Hills Park, 6 miles west from Lafayette, Indiana, September 25, 1999.
 Entrance of Missouri State Capitol. Jefferson City, Missouri, September 17, 2005
 The second floor of Missouri State Capitol. Jefferson City, Missouri, September 17, 2005
 A dome of Missouri State Capitol, from the second(?) floor. Jefferson City, Missouri, September 17, 2005
 Rotunda of the second floor of Missouri State Capitol. Jefferson City, Missouri, September 17, 2005
 The second floor and the rotunda of Missouri State Capitol. Jefferson City, Missouri, September 17, 2005
 A domed structure in the second floor of Missouri State Capitol. Jefferson City, Missouri, September 17, 2005
 Upper House(?) Chamber in Missouri State Capitol. Jefferson City, Missouri, September 17, 2005
 Upper Senate(?) Chamber in Missouri State Capitol. Jefferson City, Missouri, September 17, 2005
 Interior of the dome of Missouri State Capitol, view from the first floor. Jefferson City, Missouri, September 17, 2005
 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.
 Greenbrier in Ross Hills Park, 7 miles west from West Lafayette. Indiana, May 1, 1999.
 - Ross Hills Park near Lafayette IN 12/18/99 (West Lafayette IN, December 18, 1999 - January 1, 2000)
 - Ross Hills Park near Lafayette IN 12/18/99 (West Lafayette IN, December 18, 1999 - January 1, 2000)
 A road in Ross Hills Park, 7 miles west from West Lafayette. Indiana, May 1, 1999.
 The House Lounge with Thomas Hart Benton murals in Missouri State Capitol. Jefferson City, Missouri, September 17, 2005
 Rotunda of Missouri State Capitol, with History Hall in background, view from the second floor. Jefferson City, Missouri, September 17, 2005
 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.
 Parasite plants in Ross Hills Park, 7 miles west from West Lafayette. Indiana, May 1, 1999.
 A road through a fir forest covering sandy glacier hills at Karelia Isthmus between Lembolovo and Orekhovo, 30 miles north from Saint Petersburg. Russia, April 19, 1999.
 Marsh plants and dogwood 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.
 A tour of Thomas Hart Benton murals in the House Lounge in Missouri State Capitol. Jefferson City, Missouri, September 17, 2005
 A marsh and a meadow near Wabash River in Ross Hills Park, 7 miles west from West Lafayette. Indiana, May 1, 1999.
 Blue racer snake (Coluber constrictor foxi) swimming in Wabash River in Ross Hills Park, 6 miles west from Lafayette, Indiana, September 25, 1999.
 Sand hills from Kuzmolovo Quarry north from Saint Petersburg. Russia, May 8, 2017
 Missouri violet (Viola missouriensis) on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, March 3, 2021
 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 domed structure in the second floor and an opening to the third floor of Missouri State Capitol. Jefferson City, Missouri, September 17, 2005
 View from the second floor of Missouri State Capitol, with exhibits of the State Museum in background. Jefferson City, Missouri, September 17, 2005
 Interior of Missouri State Capitol, view from the second floor, with the State Museum in background. Jefferson City, Missouri, September 17, 2005
 Missouri violet (Viola missouriensis) and pine needles on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, March 3, 2021
 North Lake Shore Drive and downtown Chicago, October 12, 1999.
 North Lake Shore Drive and downtown Chicago, October 12, 1999.
 Lake Point Tower near Navy Pier. Chicago, October 12, 1999.
 Navy Pier and Lake Point Tower. Chicago, October 12, 1999.
 North Lake Shore Drive. Hancock Tower is in the center. Chicago, October 12, 1999.
 Bush of Traganum nudatum (local name dumran) on sand near small hills in Maszhabiya (Al Mashabiya) Reserve near Abu Samra. Southern Qatar, April 1, 2016
 - Ross Hills Park 10/10/98 (Lafayette, October 4 - 11, 1998)
 - Ross Hills Park 10/10/98 (Lafayette, October 4 - 11, 1998)
 - Ross Hills Park 10/10/98 (Lafayette, October 4 - 11, 1998)
 Castle on the Lake of the Ozarks in Ha Ha Tonka State Park. Missouri, September 10, 2005
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