Analyses of samples of delivered coal collected from July 1, 1915 to Jan. 1, 1922; with chapter on tidewater pool classifications [microform]

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Bibliographic Details
Corporate Author:	United States. Bureau of Mines
Format:	Government Document Microfilm Book
Language:	English
Published:	Washington : U.S. GPO, 1923.
Series:	Bulletin (United States. Bureau of Mines) ; 230.
Subjects:	Coal mines and mining. Quality control. Public contracts.

Norlin Library - Government Information - Microform

Holdings details from Norlin Library - Government Information - Microform
Call Number:	EBD I28.3-230.D
EBD I28.3-230.D	Restricted Place a Hold