Microscopic study of Elkhorn coal bed at Jenkins, Letcher County, Ky.

Bibliographic Details
Other Authors:	O'Donnell, H. J. (Hugh J.), Sprunk, George C., Thiessen, Reinhardt, 1867-1938
Format:	Government Document eBook
Language:	English
Published:	[Washington?] : U.S. Government Printing Office, 1931.
Series:	Mines Bur. Technical Paper No. 506
Subjects:	Coal mines and mining > Kentucky > Letcher County. Electronic books.
Online Access:	Connect to the full text of this electronic document

Description
Item Description:	[With data on chemical properties] Record is based on bibliographic data in ProQuest U.S. Executive Branch Documents, 1910-1932. Reuse except for individual research requires license from ProQuest, LLC. Electronic resource.
Physical Description:	1 online resource (iii, 30 pages)
Format:	System requirements: PDF reader software.