Subject
Outdoor recreation
36
Geology
34
Oregon
29
Roads
15
Land use, Rural
13
Public lands
13
Mines and mineral resources
10
Motor vehicles Recreational use
10
Trails
8
Mushrooms Harvesting
7
Willamette National Forest (Or.)
7
Crooked River National Grassland (Or.)
6
Deschutes National Forest (Or.)
6
Ochoco National Forest (Or.)
5
Umpqua National Forest (Or.)
5
Geomagnetism
4
Gravity anomalies
4
White matsutake Harvesting
4
Formations (Geology)
3
Fremont National Forest (Or.)
3
Off-road vehicle trails
3
Pacific Crest Trail
3
Recreation areas
3
Roads Maintenance and repair
3
Winter sports
3
Cross-country skiing
2
Forest management
2
Forest reserves
2
Fremont-Winema National Forest (Or.)
2
Geochemical prospecting
2
Gold ores
2
Groundwater
2
Lane County (Or.)
2
Prospecting
2
Public lands Recreational use
2
Santiam Pass (Or.)
2
Spotted owl
2
United States
2
United States Baker Co
2
United States Homestead Area
2
United States Lake Fork Area
2
United States Lick Creek Area
2
United States Wallowa Co
2
Wallowa National Forest (Or.)
2
Whitman National Forest (Or.)
2
Willamette River Valley (Or.)
2
Alvord Desert Region (Or.)
1
Aquifers
1
Baker County (Or.)
1
Basalt
1
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