Report of investigations. 7998. Noise abatement of pneumatic rock drill; by Charles R. Summers and J. N. Murphy.
Publication Title:
Noise abatement of pneumatic rock drill; by Charles R. Summers and J. N. Murphy.
Display Title:
Report of investigations. 7998. Noise abatement of pneumatic rock drill; by Charles R. Summers and J. N. Murphy.
Series Title:
Report of investigations.
Corporate Agency Authors:
Mines Bureau and Interior Dept.
Sort Author:
Mines Bureau
Authors:
Summers, Charles R. and Murphy, J. N.
Author place:
Washington, DC
Author zip:
20240
Date:
[1974.]
Publish Date ISO Format:
1974-01-01T00:00:00Z
Publication Start:
19740101
Publication End:
19741231
Corporate/Agency Author:
Mines Bureau
Publication month:
13
Publication year:
1974
SuDoc number:
I 28.23:7998
Description:
[2]+ii+45 p. il.
Notes:
[Errata sheet, 1 p., issued also.]
Notes:
[Errata sheet, 1 p., issued also.] + 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