| TITLE |
AUTHOR |
| Froth Flotation of Fluorspar (T. P. 999) Volume 134, Milling |
D. R. Mitchell, H. E. Gross and H. E. Oehler |
| Large-diameter Core Drill for Geologic Exploration (T. P. 1000) Volume 144, Geology |
B. C. Moneymaker and P. P. Fox |
| Ground Movement and Subsidence in Mining Coal, Ores and Nonmetallic Minerals (T. P. 1014) Volume 139, Coal |
George S. Rice |
| Surface Chemistry of Clays and Shales (T. P. 1027) Volume 132, Petroleum |
A. D. Garrison |
| Conditioning Surfaces for Froth Flotation (T. P. 1074) Volume 134, Milling |
J. E. Norman and 0. C. Ralston |
| Closed-circuit Grinding of Cement Raw Materials at Leeds (T. P.1096) Volume 134, Milling |
T. B. Counselman |
| Barite Deposits of Northern Nevada (T .P. 1200) Volume 144, Geology |
V. P. Gianella |
| Structure and Ore Deposition at Cartersville, Georgia (T. P. 1226) Volume 144, Geology |
T. L. Kesler |
| Geological, Chemical and Physical Problems in the Marble Industry (T. P. 1261) Volume 144, Geology |
G. W. Bain |