RIO TINTO (See also:

• MINAS [MINOIDES] (c. 1790-186o)

MINAS DE RID TINTo)  , a See also:

• MINING

mining See also:

• TOWN

town of See also:

• SOUTH
• SOUTH, ROBERT (1634–1716)

south-western See also:

• SPAIN
• SPAIN (Espana)

Spain, in the See also:

• PROVINCE
• PROVINCE (Lat. provincia; perhaps a contraction of providentia)

province of See also:

• HUELVA
• HUELVA (the ancient Onuba, Onoba, or Onuba Aestuaria)

Huelva; near the source of the See also:

• RIVER

river Tinto, and at the See also:

• TERMINUS

terminus of a See also:

• LIGHT

light railway from the See also:

• PORT

port of Huelva . Pop . (19o0) 11,603 . Rio Tinto is one of the greatest See also:

• COPPER (symbol Cu, atomic weight 63.1, H=1, or 63.6, O = 16)

copper-mining centres in the See also:

• WORLD

world; and it is from the discoloration of its See also:

• WATERS, TERRITORIAL

waters by copper ore that the river derives its name . Besides the town of See also:

• MINAS [MINOIDES] (c. 1790-186o)

Minas, several villages are peopled by the native miners, whose See also:

• NUMBERS, BOOK OF
• NUMBERS, PARTITION OF

numbers exceed xo,000; and one is occupied solely by See also:

• BRITISH

British mine officials . The surrounding See also:

• COUNTRY (from the Mid. Eng. contre or contrie, and O. Fr. cuntree; Late Lat. contrata, showing the derivation from contra, opposite, over against, thus the tract of land which fronts the sight, cf. Ger. Gegend, neighbourhood)

country is covered for See also:

• MILES, NELSON APPLETON (1839— )

miles with heaps of slag, and has been reduced to a See also:

• DESERT

desert . In 1903 the output of the mines included 84o,000 tons of copper ore, See also:

• WORTH
• WORTH, CHARLES FREDERICK (1825-1895)

worth more than £500,000, besides a relatively small quantity of See also:

• IRON [symbol Fe, atomic weight 55.85 (0=16)]

iron and See also:

• MANGANESE (symbol Mn; atomic weight, 54.93 (0=16)], a metallic chemical element. Its dioxide (pyrolusite)

manganese . Almost the entire product is despatched to Huelva for shipment to See also:

• GREAT

Great See also:

• BRITAIN (Gr. Hperavuml vi7vot, Bperravia; Lat. Britannia, rarely Britannia)

Britain . Rio Tinto was probably first exploited by the Carthaginians; vestiges of later See also:

• ROMAN

Roman workings may still be seen . After the Moorish See also:

• CONQUEST

conquest, in 711, it was neglected until 1725, when the mines were leased to a Swede named Wolters . Their See also:

• MODERN

modern importance See also:

• DATES

dates from 1872, when a See also:

• SYNDICATE

syndicate of See also:

• LONDON

London and See also:

• BREMEN

Bremen capitalists See also:

• PURCHASED

purchased them from the See also:

• SPANISH

Spanish See also:

• GOVERNMENT
• GOVERNMENT (0. Fr. governement, mod. gouvernement, O. Fr. governer, mod. gouverner, from Lat. gubernare, to steer a ship, guide, rule; cf. Gr. xv(3epvav)

government for nearly £4,000,000 .