Coal-mine Fatalities in the United States, 1927 William Waugh Adams Published: 1928 Total Pages: 130 Get eBook
Tabulated Analyses of Representative Crude Petroleums of the United States Nicholas Arthur Clarke Smith Published: 1928 Total Pages: 870 Get eBook
Accident Statistics of the Federal Government United States. Central Statistical Board Published: 1937 Total Pages: 282 Get eBook
Chapter of Report ... of the State Mineralogist Covering Mining in California and the Activities of the State Mining Bureau Published: 1928 Total Pages: 434 Get eBook
Report of the State Geologist California. Division of Mines and Geology Published: 1928 Total Pages: 1114 Get eBook
