North Dakota lignite as a fuel for power-plant boilers
By: by D. T. Randall and Henry Kreisinger.
Contributors: Kreisinger, Henry, 1876- joint author.
Edition: [2d ed., rev. June, 1912]
Publisher: Govt. print. off.
Published: 1912
Place of publication: Washington
Language: eng
Number of pages: 42
Subjects: Lignite -- North Dakota
Notes: At head of title: ... Department of the interior.  Bureau of mines.  Joseph A. Holmes, director.