Vassar students and Dr. Beisaw excavating at the Home of FDR for the National Park Service during a summer URSI program.
Vassar students and Dr. Beisaw on the steps of John Burroughs' Slabsides cabin after assisting with site maintenance.
Touring the New Water Visitors Center in Singapore.
Prof. Tavárez and Zapotec intellectual Ricardo Ambrosio (Lachirioag, Mexico)
Zapotec ritual specialist Aurelia Cano praying at sacred site (Lachirioag, Mexico)