Coal mines and mining. Suggested hoisting-signal code for slope coal mines and for shaft mines having only one level; by D. Harrington and J. H. East, jr.
Publication Title:
Coal mines and mining. Suggested hoisting-signal code for slope coal mines and for shaft mines having only one level; by D. Harrington and J. H. East, jr.
Display Title:
Coal mines and mining. Suggested hoisting-signal code for slope coal mines and for shaft mines having only one level; by D. Harrington and J. H. East, jr.
Corporate Agency Authors:
Mines Bureau, Geological Survey, and Interior Department
Sort Author:
Mines Bureau
Authors:
Harrington, D. and East, J. H. jr.
Date:
July 1944
Publish Date ISO Format:
1944-07-01T00:00:00Z
Publication Start:
19440701
Publication End:
19440731
Corporate/Agency Author:
Mines Bureau
Publication month:
6
Publication year:
1944
SuDoc number:
I 28.27:7291
Description:
[1]+9p. 4°
Notes:
(Information circular, I. C. 7291.) [Processed.]
Notes:
(Information circular, I. C. 7291.) [Processed.] † Distribution Made by Issuing Office.