Results: 1 - 7 of 7
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 …
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 …
Feb 28, 2005
Special Report
… and bedrock). The proper classification and interpretation …