...Report on the operations of the coal-testing plant of the United States Geological survey at the Louisiana purchase exposition
Subtitle: St. Louis, Mo., 1904 ...
By: Edward W. Parker, Joseph A. Holmes, Marius R. Campbell, committee in charge
Contributors: Holmes, J. A. (Joseph Austin), 1859-1915; Campbell, Marius R. (Marius Robinson), 1858-1940
Series: U.S. Geological survey. Professional paper -- no. 48; Professional paper (Geological Survey (U.S.)) -- no. 48
Publisher: Govt. print. off.
Published: 1906
Place of publication: Washington
Language: eng
Subjects: Coal; Testing
Notes: Issued also as House doc. no. 490, 59th Cong., 1st sess.
Table of contents: title: pt. 1. Field work, classification of coals, chemical work.; title: pt.2. Boiler tests.; title: pt.3. Producer-gas, coking, briquetting, and washing tests.