I am actively involved in research projects around the world with emphasis on the Americas.  The projects are organized below by region, and a project summary is given by following each link.

North America

• Pacific Northwest
• Yukon Territory, Canada
• Alaska, Brooks Range
• Alaska, Interior
• Pittsburgh, PA

Central America

• Nicaragua

South America

• Central Andes
• Venezuela
• Bolivia

Asia

• Mongolia

Europe

• Greece 

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