 SNET Trail in fog near Millville Lock in Blackstone River and Canal Heritage State Park. Uxbridge, Massachusetts, October 30, 2004
 SNET Trail in fog near Millville Lock in Blackstone River and Canal Heritage State Park. Uxbridge, Massachusetts, October 30, 2004
 Millville Lock in Blackstone River and Canal Heritage State Park (from east side). Uxbridge, Massachusetts, October 17, 2004
 Millville Lock in Blackstone River and Canal Heritage State Park (from east side). Uxbridge, Massachusetts, October 30, 2004
 Pine Hol Road. Locke, New York, October 23, 2005
 Ruins of Goat Hill Lock in Blackstone River and Canal Heritage State Park. Uxbridge, Massachusetts, October 30, 2004
 Trees near Road 38 in Moravia. Locke, New York, October 23, 2005
 Millville Lock in Blackstone River Valley. Uxbridge, Rhode Island, October 10, 2004
 Millville Lock in Blackstone River and Canal Heritage State Park (from west side). Uxbridge, Massachusetts, October 17, 2004
 Corn field, silo and a farm north from Lamphier Road. Locke, New York, October 9, 2005
 Reflections in Goat Hill Lock in Blackstone River and Canal Heritage State Park. Northbridge, Massachusetts, October 30, 2003
 A lock of Millstone River near Kingston after a rain. New Jersey, April 15, 2007
 Locks of Petrovsky Dock in Kronstadt. Saint Petersburg, Russia, July 24, 2012
 A lock of Millstone River south from Griggsown after a rain. New Jersey, April 15, 2007
 A lock of Millstone River south from Griggsown. New Jersey, April 11, 2007
 A spare part of Kingston Lock in bushes in Delaware and Raritan Canal State Park. Kingston, New Jersey, March 28, 2007
 Plaquemine Lock (1858-1928) at 57730 Main Street. Plaquemine, Louisiana, January 7, 2007
 Goats locked in a pen in Wholesale Animal Market. Doha, Qatar, February 24, 2012
 Goats behind bars locked in a pen in Wholesale Animal Market. Doha, Qatar, February 24, 2012
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