intrastate systems / gas production / transportation / interstate and intrastate natural gas pipeline systems / balanced national energy policy / firm transportation services / natural gas / overall natural gas market / interstate natural gas pipelines / interstate transportation / members ship natural gas / intrastate natural gas pipelines / interstate services / needed transportation / /
OperatingSystem
Sequent / /
Organization
Congress / U.S. Court of Appeals / Federal Energy Regulatory Commission / Natural Gas Supply Association / /