10 public-domain matches
Bituminous Coal
On the Structure of Some Limestone Nodules Enclosed in Seams of Bituminous Coal, with a Description of Some Trigonocarpons Contained in Them
Photographs of the Medical Survey of the Bituminous Coal Industry
On the Structure of Certain Limestone Nodules Enclosed in Seams of Bituminous Coal, with a Description of Some Trigonocarpons Contained in Them
IS 9127-2: Methods for the Petrographic Analysis of Bituminous Coal and Anthracite, Part 2: Method of Preparing Coal Samples
