Coal leases -- Pennsylvania : In the matter of the application of the city of Philadelphia, trustees of the Girard estate, to the Court of Common Pleas of Philadelphia County, for advice and direction as to the power to make leases of coal lands belonging to said estate, for a longer period than five years
1868?
1
Coal leases -- United States : Oil, gas, and coal resources on federal lands : background and fair value issues / Marybeth T. Baldwin, editor
Coal liquefaction -- Australia. : The Environmental implications of three synthetic liquid fuel technologies : coal liquefaction, shale oil production and biomass conversion / Department of Home Affairs and Environment
1983
1
Coal liquefaction -- Environmental aspects. : The Environmental implications of three synthetic liquid fuel technologies : coal liquefaction, shale oil production and biomass conversion / Department of Home Affairs and Environment
1983
1
Coal liquefaction -- Environmental aspects -- Australia. : The Environmental implications of three synthetic liquid fuel technologies : coal liquefaction, shale oil production and biomass conversion / Department of Home Affairs and Environment
Coal liquefaction -- United States : Federal financial incentives to induce early experience producing unconventional liquid fuels / Frank Camm, James T. Bartis, Charles J. Bushman
2008
1
Coal Lorde, Audre : Poetry for students. Volume 49 : presenting analysis, context and criticism on commonly studied poetry / Sara Constantakis, project editor
Coal mine accidents -- England. : Historical disasters : black Christmas / narrated by Paul Loughran ; directed by Steve Looker ; edited/produced by Steve Looker
