Spatial Coverage
- Maryland1
- Mekong River Delta (Vietnam and Cambodia)1
- Middle Atlantic States1
- Middle Atlantic States.1
- Middle East1
- New York (State)1
- Oregon1
- Pima County1
- San Juan Basin (N.M. and Colo.)1
- San Luis Valley (Colo. and N.M.)1
- Southern Ute Indian Reservation1
- Taos Plateau1
- Taos Plateau (N.M.)1
- Tompkins County1
- Towson Region1
- Utah1
- Wales1
- Washington (D.C.)1
- Washington (State)1
- Washington Metropolitan Area1
