Report of investigations, R. I. 4131-R. I. 4196 (with omissions). 4177. Development of successful hard-surfaced bit for drilling oil shale; by Tell Ertl, John R. Wagner, jr., and Ernest E. Burgh.
Publication Title:
Development of successful hard-surfaced bit for drilling oil shale; by Tell Ertl, John R. Wagner, jr., and Ernest E. Burgh.
Display Title:
Report of investigations, R. I. 4131-R. I. 4196 (with omissions). 4177. Development of successful hard-surfaced bit for drilling oil shale; by Tell Ertl, John R. Wagner, jr., and Ernest E. Burgh.
Series Title:
Report of investigations, R. I. 4131-R. I. 4196 (with omissions).
Corporate Agency Authors:
Mines Bureau and Interior Dept.
Sort Author:
Mines Bureau
Authors:
Ertl, Tell, Wagner, John R. jr., and Burgh, Ernest E.
Date:
Jan. 1948
Publish Date ISO Format:
1948-01-01T00:00:00Z
Publication Start:
19480101
Publication End:
19480131
Corporate/Agency Author:
Mines Bureau
Publication month:
12
Publication year:
1948
SuDoc number:
I 28.23:4131, etc.
Description:
[1]+8 p. 3 pl. 4°
Notes:
[Processed.]
Notes:
[Processed.] † Distribution Made by Issuing Office.