Call Number (LC) Title Results
I 28.23:3481 Bureau of Mines - A.P.I. pressure core barrel : progress report on its design and development /
Bureau of Mines, A. P. I. pressure core barrel (progress report on its design and development) 		2
I28.23..3481 Bureau of Mines, A. P. I. pressure core barrel (progress report on its design and development) 1
I 28.23:3482 Correlation of analysis of coal with products of carbonization in externally heated retorts.
Correlation of analysis of coal with products of carbonization in externally heated retorts / 		2
I28.23..3482 Correlation of analysis of coal with products of carbonization in externally heated retorts. 1
I 28.23:3483 Progress reports--metallurgical division.
Electrometallurgical investigations, recovery of nickel, copper, and precious metals from domestic ores by combined electrothermal and electrolytic method. 		2
I28.23..3483 Electrometallurgical investigations, recovery of nickel, copper, and precious metals from domestic ores by combined electrothermal and electrolytic method. 1
I 28.23:3484 Progress reports : 36 : ore-testing studies 1938-39 : (primarily ore dressing) / 1
I 28.23:3485 Survey of fuel consumption at refineries in 1938 /
Survey of fuel consumption at refineries in 1938. 		2
I28.23..3485 Survey of fuel consumption at refineries in 1938. 1
I 28.23:3486 Survey of crude oils of the producing fields of Arkansas / 1
I 28.23:3487 Tests on the effect of acid mine waters on various cements / 1
I 28.23:3488 Use of respiratory protective devices under abnormal air pressure / 1
I 28.23:3489 Explosibility of semianthracite, low-volatile bituminous coals, and medium-volatile bituminous-coal dusts / 1
I 28.23:3490 Annual report of the Explosives Division, fiscal year, 1939 / 1
I 28.23:3491 Progress reports--metallurgical division. 1
I 28.23:3492 Cooperative fuel research motor-gasoline survey : summer 1939 / 1
I 28.23:3493 Application of well-test data to the study of specific gas-production problem / 1
I 28.23:3494 Flocculation as an aid in the clarification of coal washery water / 1
I 28.23:3495 The Eykometer : a new device for measurement of the yield point of clay suspensions and oil-well drilling muds / 1
I 28.23:3496 Ventilation of manholes : 4. effect of vertical ducts in combination with openings in manhole covers on the natural ventilation / 1