Expeditions and Links to Photos
2016: Guyana, Ireng River
2014: Guyana, Kuribrong and Potaro Rivers
2013: Guinea, Major West African drainages
2012: Thailand, Mekong River
2011: Cameroon, Dja River
2011: Upper Midwestern US
2010: Democratic Republic of Congo: Congo River around Kisangani
2010: Venezuela: Orinoco and Negro Drainages, Amazonas
2010: Bangladesh
2007: Papua New Guinea: Sepik and Fly Rivers
2007: Guyana, Rupununi Region
2005: Guyana, Rupununi Region
2004-2005: Venezuela, Orinoco and Negro Drainages, Amazonas
2004: Central Brazil
2004: Peru, Part of ACSI Transcontinental Expedition
2003: Guyana, Rupununi Region
2003: Venezuela, Southern Bolivar
2002: Guyana, Rupununi Region
2001: Panama, Nearly entire Pan American Highway
1999-2000: Venezuela, Bolivar and Barinas
1998: Guyana, Potaro River with National Geographic