Arnold Clifford is a Dine’ botanist and geologist and associate editor for the Bolack San Juan Basin Flora Project. He is a native of Beclahbito, NM and the Carrizo Mountain Range.
| 01 – How Ind. Effected by Dev | Download |
| 02 – Animal Econ | Download |
| 03 – Over Grazing | Download |
| 04 – Land Plants | Download |