Payson D. Sheets

Books
Before the Volcano Erupted Before the Volcano Erupted
Before the Volcano Erupted
2013
Archaeology, Volcanism, and Remote Sensing in the Arenal Region, Costa Rica Archaeology, Volcanism, and Remote Sensing in the Arenal Region, Costa Rica
Archaeology, Volcanism, and Remote Sensing in the Arenal Region, Costa Rica
2014