Results: 1 - 6 of 6
Feb 13, 2013
Data
… ecological (biophysical) land-classification maps of the mountain …
Jul 05, 2015
Data
Dec 31, 1958
Earth Sciences Report
… coal to have a subbituminous B classification and to be bright and …
Apr 29, 1983
Open File Report
… use of trace elements for the classification of crude oils into …
Aug 23, 1990
Information Series
… for coal and are used in classification (AGI, 1987). Total …
Jan 01, 1944
Report
… the character and therefore the classification by rank of the coal …