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| | Sierra Madre - Hutchinson encyclopedia article about Sierra Madre (Site not responding. Last check: 2007-11-06) |
 | | Situated in the volcanic Sierra Madre Occidental, the state of Durango is abundant in silver, gold, sulphur, tin, mercury, antimony, and copper. |
 | | Tectonic activity has caused the volcanism of the Sierra Madre Occidental and Neo-Volcanica Cordillera, as well as the folding and lifting of the plateaux and Sierra Madre Oriental. |
 | | Chief mountain system of Mexico, consisting of three ranges, the Sierra Madre Oriental, the Sierra Madre del Sur, and the Sierra Madre Occidental, enclosing the central plateau of the country; the highest peak is Citlaltepetl at 5,700 m/18,700 ft. The Sierra Madre del Sur (‘of the south’) runs along the southwest Pacific coast. |
| encyclopedia.farlex.com /Sierra+Madre (222 words) |
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