Subject
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Forests and forestry Research
1
Fort Valley Experimental Forest (Ariz.) History
1
Fuelwood cutting
2
Grasses
2
Historic buildings
1
History
1
Invasive plants Control Environmental aspects
1
Kaibab National Forest (Ariz.)
4
Kaibab National Forest (Ariz.) History
1
Land use
5
Land use Environmental aspects
1
Landsat satellites
1
Mesquite Control
1
Mines and mineral resources Environmental aspects
1
National parks and reserves
1
Natural disasters
1
Nature
1
Noxious weeds Control Environmental aspects
1
Officials and employees
1
Plant communities
1
Plants Transpiration
2
Ponderosa pine
5
Ponderosa pine Ecology
1
Ponderosa pine Effect of fires on
1
Precipitation (Meteorology) Measurement
1
Prescott National Forest (Ariz.)
4
Prescribed burning
1
Prescribed burning Environmental aspects
1
Public lands Management
1
Public lands Management Public opinion
1
Public lands Recreational use Public opinion
1
Public opinion
1
Quercus gambelii
1
Quercus gambelii Ecology
1
Quercus gambelii Effect of fires on
1
Range management
1
Range management Remote sensing
1
Range management Research
1
Range plants
1
Rangelands
2
Rangelands Research
2
Research natural areas
1
Runoff
1
Saline water conversion
1
Saline water conversion Environmental aspects
1
San Francisco Peaks (Ariz.)
1
Santa Rita Experimental Range (Ariz.)
4
Sitgreaves National Forest (Ariz.)
3
Small business
1
Small business Finance
1
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