Torthaí cuardaigh - "Copper mines and mining"
-
1
-
2
Copper is still the world's most important metal next to iron [microform].
Foilsithe / Cruthaithe 1976Visual Material -
3
-
4
-
5
-
6
Exploration for disseminated copper deposits in humid, mountainous tropical terrain, Sto. Nino, Mountain Province, Philippines
Foilsithe / Cruthaithe 1967LEABHAR -
7
-
8
Geological and geophysical investigation of a porphyrytype copper deposit at Tipoo, Toledo, Cebu, using the induced polarization method
Foilsithe / Cruthaithe 1970Tráchtas -
9
Informe sobre las minas de cobre de las rancheries de Mancayan, Suyuk, Bumucun y Agbao en el distrito de Lepanto, isla de Luzon de Luzon de las Filipinas [microform].
Foilsithe / Cruthaithe 1976Visual Material -
10