[Geological Survey bulletin 412; Tests of run-of-mine and briquette coal].

Bibliographic Details

Corporate Authors:	United States. Bureau of Mines, ProQuest (Firm), Geological Survey (U.S.)
Format:	Government Document eBook
Language:	English
Published:	Washington : [publisher not identified], 1909.
Series:	United States congressional serial set.
Subjects:	Geological Survey (U.S.) Coal mines and mining. Quality control. Electronic books.
Online Access:	Connect to the full text of this electronic book