This edition compiles early 20th‑century data to help readers compare equipment, labor, and material costs so projects can be planned with solid numbers.

See how steel-lined shafts compare with timber linings on cost per foot and overall project expense.
Learn what drives expense in shaft sinking, from excavation to timbering, lagging, and fittings.
Understand typical crew organization, shifts, and the effect of different labor and material choices on total cost.
Get a practical sense of how blasting, drilling, and loading influence time and price on real mine projects.

Ideal for readers of historical mining engineering, cost analysis, and method comparisons.

"About this title" may belong to another edition of this title.

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