Report of investigations. 7109. Recovery percentage of bituminous coal deposits in United States (in two parts): pt. 1. Underground mines [with list of references]; by Raymond L. Lowrie.
Publication Title:
Recovery percentage of bituminous coal deposits in United States (in two parts): pt. 1. Underground mines [with list of references]; by Raymond L. Lowrie.
Display Title:
Report of investigations. 7109. Recovery percentage of bituminous coal deposits in United States (in two parts): pt. 1. Underground mines [with list of references]; by Raymond L. Lowrie.
Series Title:
Report of investigations.
Corporate Agency Authors:
Mines Bureau and Interior Dept.
Sort Author:
Mines Bureau
Authors:
Lowrie, Raymond L.
Author place:
Washington, DC
Author zip:
20240
Date:
[Apr. 1968.]
Publish Date ISO Format:
1968-04-01T00:00:00Z
Publication Start:
19680401
Publication End:
19680430
Corporate/Agency Author:
Mines Bureau
Publication month:
9
Publication year:
1968
SuDoc number:
I 28.23:(nos.)
Description:
[3]+19 p. il. 4°
Notes:
• Sent to Depository Libraries. Item 637-A
Availability:
† Distribution Made by Issuing Office. Mines Bureau, Pittsburgh, PA 15213 and • Sent to Depository Libraries. Item 637-A