Eighteenth century Philippine economy mining Por Diaz-Trechuelo, Maria Lourdes

Obter o texto integral

Brief information on the acquisition of mining rights over minerals and mineral lands under Com. Act no. 137, as amended, other than coal and coal and petroleum which are covered b...

Mining developments in Asia and the Far East 1963

The mineral resources of Africa Por De Kun, Nicolas 1923-

Mining developments in Asia and the Far East.

Mineral facts and problems.

The geology and mineral resources of Dent Peninsula, Sabah Por Haile, Neville Seymour

The geology and mineral resources of the Pensiangan and upper Kinabatangan area, Sabah, Malaysia Por Collenette, Peter

Bau mining district, West Sarawak, Malaysia.

Mineral facts and problems.