Results: 1 - 7 of 7
Aug 31, 1983
Open File Report
… framework of Lower Cretaceous coal-bearing rocks in the Grande … framework of Lower Cretaceous coal-bearing rocks in the Grande … Framework of Lower Cretaceous Coal-Bearing Rocks in the Grande …
Feb 28, 1993
Open File Report
… oxidized form of lignite coal that is rich in humic acids. … their own pits and from a nearby coal mine in the Forestburg area. …
Jun 30, 1995
Open File Report
… into the atmosphere. A number of coal-based thermal power plants …
Dec 31, 1968
Earth Sciences Report
… sandstone, shale, and coal which immediately overlies the … of the high clay content but the coal beds are sufficiently …
Jul 14, 2014
Data
Dec 31, 1974
Earth Sciences Report
… minor carbonate, thin limestone, coal and tuff beds (Green, 1972). …
Dec 31, 1973
Earth Sciences Report
… bentonitic sandstones and coal seams. Yields are fairly high …