Call Number (LC) Title Results
I 28.3:478 Review of literature on dusts / 1
I 28.3:479 Iron blast-furnace slag production, processing, properties, and uses / 1
I 28.3:480 Comparison of BM-AGA and slot-oven experimental methods of carbonization : with results for eleven coals / 1
I 28.3:481 Safety in the mining industry / 1
I 28.3:481-494 Proceedings : fifth International Conference of Directors of Mine Safety Research /
Buried valley of the Susquehanna River : anthracite region of Pennsylvania / 		2
I 28.3:482 American lignites : geological occurrence, petrographic composition and extractable waxes / 1
I 28.3:483 High-sulfur Pittsburgh coal : upgrading in southwestern Pennsylvania and northern West Virginia / 1
I 28.3:484 Helium : bibliography of technical and scientific literature from its discovery (1868) to January 1, 1947 / 1
I 28.3:485 Bibliography of pressure hydrogenation (in three parts) / 1
I 28.3:486 Helium-bearing natural gases of the United States, analyses and analytical methods.
Helium-bearing natural gases of the United States : analyses and analytical methods / 		2
I28.3..486 Helium-bearing natural gases of the United States, analyses and analytical methods. 1
I 28.3:487 Characterization of tar acids from coal-hydrogenation oils / 1
I 28.3:488 The isosynthesis / 1
I 28.3:489 Proceedings : fifth International Conference of Directors of Mine Safety Research / 1
I 28.3:490 The Bureau of Mines routine method for the analysis of crude petroleum / 1
I 28.3:490-499 Lurgi process : use for complete gasification of coals with steam and oxygen under pressure / 1
I 28.3:491 Inundated anthracite reserves : eastern middle field of Pennsylvania / 1
I 28.3:492 Methods of analyzing coal and coke / 1
I 28.3:493 Carbonizing properties : West Virginia coals from the Eagle, No. 2 gas, Pocahontas No. 3, and Pocahontas No. 4 beds / 1
I 28.3:494 Buried valley of the Susquehanna River : anthracite region of Pennsylvania / 1