Coal Production (Annual).
Edition: Annual.
Publisher: Energy Information Administration
Language: eng
Other titles: Bituminous coal and lignite production and mine operations--1977.; Coal : bituminous and lignite in 1976.
Notes: 1976-year issue has the title of "Coal--bituminous and lignite in 1976"; 1977-year issue has the title of "Bituminous Coal and LIgnite Production and Mine Operations -1977"