TY - BOOK AU - Hartman, Howard L. TI - Introductory mining engineering SN - 0-471-820 U1 - 622.3 PY - 1987/// CY - New York PB - John Willey and Sons KW - IngenierĂ­a de Minas N1 - 05695; Introduction to mining. Stages of mining: prospecting and exploration. Stages of mining: development and exploitation. Unit operations of mining. Surface mine development. Surface mining: mechanical extraction methods. Surface mining: aqueous extraction methods. Surface mining : method comparison and summary. Underground mine development. Underground mining : unsupported methods. Underground mining: supported methods. Underground mining: caving methods. Undergrond mining: method comparison and summary. ER -