COAL
change note: 2013-03-22 08:37:14.0 [tbs1979] update Definition (Pertaining to the location, mining, production, or uses of the fossil fuel (coal).); update Definition (U.S. Department of Energy);
change note: 2013-03-07 08:47:49.0 [tbs1979] Move Concepts delete broader relation (null); add broader relation (COAL [8b726747-6eba-4ce6-bfc6-ee84616a1862,63017] - SEDIMENTARY ROCKS [85353d7b-05d8-4c32-a5b2-065f1f22f026,61759]);
change note: 2013-03-05 10:04:02.0 [tbs1979] Move Concepts add broader relation (COAL [8b726747-6eba-4ce6-bfc6-ee84616a1862,63017] - ROCKS/MINERALS/CRYSTALS [ba8d7f68-ad3a-4874-bc75-312b24b1b1ac,61761]); delete broader relation (null);
in scheme: sciencekeywords
definition: Pertaining to the location, mining, production, or uses of the fossil fuel (coal).
type: Concept

SEDIMENTARY ROCKS
type: Concept