by Don Chesnut ©2005

• Germany, 1972
• Colorado, 1973
• Hawaii, 1974
• Mexico, 1974
• San Salvador Island, Bahamas, 1980, 1982, 1983, ca 1987 and 1990
• Train Trip Out West, 1982
• Spain, Switzerland, Austria and Germany, 1983
• England and Wales, 1986
• China, 1987
• Nova Scotia, 1990
• Argentina, 1991
• Russia and Poland, 1995
• Scotland and England, 2001
• Australia, New Zealand, Fiji, 2002
• Netherlands, Germany and Belgium, 2003
• Romania, Bulgaria, Serbia and Hungary, 2004
• Uruguay, 2006
• Asia, 2006
• Europe, 2006
• Asia, 2007
• Bahamas, 2008

• USA, Geological field studies
• Kentucky and adjacent states, field studies