Analyses of Washington coals.
Contributors: Ash, S. H. b. 1889.; Yancey, H. F. 1890-; Daniels, Joseph, 1884-1965.; Snyder, Ned H.; Plein, Leopold Nicholas, 1897-; Fieldner, A. C. 1881-; Cooper, Harry Mac.; Osgood, Fred D.; Kiessling, O. E. 1901-
Series: Technical paper; 491
Publisher: U.S. Govt. Print. Off.
Published: 1931
Place of publication: Washington
Language: eng
Number of pages: 203
Subjects: Coal -- Analysis; Coal -- Washington (State)
Notes: At head of title: U. S. Department of commerce.  R. P. Lamont, secretary. Bureau of mines. Scott Turner, director ...
Table of contents: title: The coal fields of Washington, by S. A. Ash.; title: Methods of mining and preparation of coal, by H. F. Yancey and S. A. Ash.; title: Production, distribution and use, by O. E. Kiessling and Joseph Daniels.; title: Relation of mine samples to commercial shipments, by N. H. Snyder and L. N. Plein.; title: Analyses of delivered coal, by N. H. Snyder and L. N. Plein.; title: Analyses of mine samples, by A. C. Fieldner, H. M. Cooper and F. D. Osgood.; title: Description of mine samples. Comp. by F. D. Osgood.