A treatise on mine surveying /
Brough, Bennett Hooper, 1860-1908,
A treatise on mine surveying / By bennett h. brough - 15 # ed. rev. / By harry dean - 477 páginas
Topografía de minas
TN273 / B76
A treatise on mine surveying / By bennett h. brough - 15 # ed. rev. / By harry dean - 477 páginas
Topografía de minas
TN273 / B76