Spatial Coverage
- Norway, north.4
- Powder River Watershed (Wyo. and Mont.)4
- Scandinavia.4
- Snake River Plain (Idaho and Or.)4
- Sweden, north.4
- U.S.4
- Afghanistan3
- Catron County3
- Chequamegon National Forest3
- Chequamegon National Forest (Wis.)3
- Cyrus H. McCormick Experimental Forest (Mich.)3
- Egypt3
- Hawaii3
- Indonesia3
- Kern County3
- Massachusetts3
- Mediterranean Region3
- Middle West3
- Mississippi3
- Mono County3
