Figure 1

Fieldwork securing the soil samples. a: Sample being transferred from the in-house build stainless soil drill to a glass vial. b: A femur bone with adjacent holes in the soil after sampling. The distances between the holes are 1 cm.

Fieldwork securing the soil samples. a: Sample being transferred from the in-house build stainless soil drill to a glass vial. b: A femur bone with adjacent holes in the soil after sampling. The distances between the holes are 1 cm.