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. 1859-1915.; Campbell, Marius Robinson, 1858-1940.
Series: U.S. Geological survey. Professional paper -- 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: value: Contents: pt. 1. Field work, classification of coals, chemical work.; value: pt.2. Boiler tests.; value: pt.3. Producer-gas, coking, briquetting, and washing tests.