================================================================= | 1908 | 1909 | --------------------------------------+------------+------------+ Ore mined | 16,662,715 | 23,431,047 | Coal mined--not for coke making | 3,008,810 | 3,089,021 | Limestone | 2,186,007 | 3,496,071 | Coke Manufactured--Beehive | 7,591,062 | 11,896,211 | Coke Manufactured--By-product | 578,869 | 1,693,901 | Pig Iron, Spiegel, etc. | 6,934,408 | 11,618,350 | Bessemer Steel | 4,055,275 | 5,846,300 | Open-hearth Steel | 3,783,438 | 7,508,889 | Finished Steel | 6,206,932 | 9,859,660 | Cement (bbls.) | 4,535,300 | 5,786,000 | --------------------------------------+------------+------------+ ================================================================= | 1910 | 1911 | --------------------------------------+------------+------------+ Ore mined | 25,245,816 | 19,933,631 | Coal mined--not for coke making | 4,850,111 | 5,290,671 | Limestone | 5,005,087 | 4,835,703 | Coke Manufactured--Beehive | 11,641,105 | 9,491,206 | Coke Manufactured--By-product | 2,008,473 | 2,629,006 | Pig Iron, Spiegel, etc. | 11,831,398 | 10,744,897 | Bessemer Steel | 5,796,223 | 5,055,696 | Open-hearth Steel | 8,383,146 | 7,697,674 | Finished Steel | 10,733,995 | 9,476,248 | Cement (bbls.) | 7,001,500 | 7,737,500 | --------------------------------------+------------+------------+ ================================================================= | 1912 | 1913 | --------------------------------------+------------+------------+ Ore mined | 26,428,449 | 28,738,451 | Coal mined--not for coke making | 5,905,153 | 6,705,381 | Limestone | 6,124,541 | 6,338,509 | Coke Manufactured--Beehive | 11,544,840 | 11,062,138 | Coke Manufactured--By-product | 5,164,547 | 5,601,342 | Pig Iron, Spiegel, etc. | 14,186,164 | 14,080,730 | Bessemer Steel | 6,643,147 | 6,131,809 | Open-hearth Steel | 10,258,076 | 10,524,552 | Finished Steel | 12,506,619 | 12,374,838 | Cement (bbls.) | 10,114,500 | 11,197,000 | --------------------------------------+------------+------------+