Field Research:
Measuring hydraulic conductivity on the Matlalcueyetl volcano in Mexico. Photo by  Carlos Ramos-Scharrón.
(below) Designing experimental terrace plot in Ahuashuatepec, Tlaxcala, Mexico. 
(below) Scouting soil erosion in Xalostoc, Tlaxcala, Mexico.
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(below) Recording observations near the convergence of two weather systems at ~4,250 m.a.s.l. with the Popocatépetl volcano in background, Mexico.
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(below) About to enter the bishopric archives in Trinidad, Cuba. Photo by David C. LaFevor.
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