Principles of Mining: Valuation, Organization and Administration
Author: Herbert Hoover Genre: Literature
Principles of Mining: Valuation, Organization and Administration
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Chapter 14 No.14
Word Count: 2649
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Released on: 01/12/2017
Equipment (
AIR VS. ELECTRICITY; AIR DRILLS; MACHINE VS. HA
ill-holes for blasting by Caspar Weindel in Hungary, t
1 Chapter 1 No.12 Chapter 2 No.23 Chapter 3 No.34 Chapter 4 No.45 Chapter 5 No.56 Chapter 6 No.67 Chapter 7 No.78 Chapter 8 No.89 Chapter 9 No.910 Chapter 10 No.1011 Chapter 11 No.1112 Chapter 12 No.1213 Chapter 13 No.1314 Chapter 14 No.1415 Chapter 15 No.1516 Chapter 16 No.1617 Chapter 17 No.1718 Chapter 18 No.1819 Chapter 19 No.1920 Chapter 20 No.20