Coal mines. Effect of changes in moisture and temperature on mine roof: 1, First report on strata overlying Pittsburgh coal bed; by Irving Hartmann and H. P. Greenwald.
Publication Title:
Coal mines. Effect of changes in moisture and temperature on mine roof: 1, First report on strata overlying Pittsburgh coal bed; by Irving Hartmann and H. P. Greenwald.
Display Title:
Coal mines. Effect of changes in moisture and temperature on mine roof: 1, First report on strata overlying Pittsburgh coal bed; by Irving Hartmann and H. P. Greenwald.
Corporate Agency Authors:
Mines Bureau and Interior Department
Sort Author:
Mines Bureau
Date:
Oct. 1941
Publish Date ISO Format:
1941-10-01T00:00:00Z
Publication Start:
19411001
Publication End:
19411031
Corporate/Agency Author:
Mines Bureau
Publication month:
3
Publication year:
1941
SuDoc number:
I 28.23:3588
Description:
[1]+40 p. 16 pl. 4°
Notes:
(Report of investigations, R. I. 3588.) [Processed.]
Notes:
(Report of investigations, R. I. 3588.) [Processed.] † Distribution Made by Issuing Office.