Report of investigations. 7769. Geological factors causing roof instability and methane emission problems, Lower Kittanning coalbed. Cambria County, Pa. [with list of references]; by C. M. McCulloch and Maurice Deul.
Publication Title:
Geological factors causing roof instability and methane emission problems, Lower Kittanning coalbed. Cambria County, Pa. [with list of references]; by C. M. McCulloch and Maurice Deul.
Display Title:
Report of investigations. 7769. Geological factors causing roof instability and methane emission problems, Lower Kittanning coalbed. Cambria County, Pa. [with list of references]; by C. M. McCulloch and Maurice Deul.
Series Title:
Report of investigations.
Corporate Agency Authors:
Mines Bureau and Interior Dept.
Sort Author:
Mines Bureau
Authors:
McCulloch, C. M. and Deul, Maurice
Author place:
Washington, DC
Author zip:
20240
Date:
[1973.]
Publish Date ISO Format:
1973-01-01T00:00:00Z
Publication Start:
19730101
Publication End:
19731231
Corporate/Agency Author:
Mines Bureau
Publication month:
13
Publication year:
1973
SuDoc number:
I 28.23:(nos.)
Description:
[2]+ii+25 p. il. 4°
Notes:
† Distribution Made by Issuing Office. Mines Bureau, Pittsburgh, PA 15213. • Sent to Depository Libraries. Item 637-A
Availability:
† Distribution Made by Issuing Office. Mines Bureau, Pittsburgh, PA 15213. • Sent to Depository Libraries. Item 637-A