Title: Methods of Analyzing and Testing Coal and Coke
Author: Office of the Director of Coal Research Staff

Date: 1967
Link to Full Report:
Document Type: USBM
Issuing Agency: U.S. Bureau of Mines
Performing Organization: U.S. Bureau of Mines

Report Number: USBM Bulletin 638
SUDOC: TN 23 U4
Series: U.S. Bureau of Mines Bulletins