Subject
Gas well drilling Environmental aspects
Oil well drilling Environmental aspects
17
Oil and gas leases
12
Coalbed methane Environmental aspects
8
Gas industry Environmental aspects
8
Oil and gas leases Environmental aspects
7
Public lands Management
7
Gas fields Environmental aspects
5
Hydraulic fracturing Environmental aspects
5
Air quality
4
Coalbed methane
4
Gas well drilling
4
Gas well drilling Government policy
4
Land use Planning
4
Natural gas Environmental aspects
4
Natural resources
4
Air quality Environmental aspects
3
Environmental impact analysis
3
Groundwater Quality
3
Hydraulic fracturing Government policy
3
Natural gas pipelines Environmental aspects
3
Coalbed methane drainage Environmental aspects
2
Gas well drilling Economic aspects
2
Gas well drilling Social aspects
2
Marcellus Shale
2
Methane industry Environmental aspects
2
Natural gas
2
Natural resources Management
2
Offshore oil well drilling Environmental aspects
2
Radiation, Background Environmental aspects
2
Shale gas industry Environmental aspects
2
Suspended sediments
2
Administrative regulation drafting
1
Air quality Mathematical models
1
Arctic National Wildlife Refuge (Alaska)
1
Basins (Geology)
1
Caves
1
Coalbed methane Waste disposal Environmental aspects
1
Comanche and Cimarron National Grasslands
1
Conservation of natural resources
1
Continental shelf
1
Energy development Government policy
1
Energy policy
1
Environmental impact statements
1
Gas well drilling Waste disposal
1
Gas well drilling Waste disposal Environmental aspects
1
Hydraulic fracturing
1
Hydraulic fracturing Waste disposal
1
Karst
1
Land use Management
1
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