”A 3.5-mile crevice in the Greene Wash area, about six miles south of Arizona City, is one of several newly confirmed earth fissures identified on a map recently released by the Arizona Geological Survey.

The new map identifies confirmed and unconfirmed earth fissures throughout Pinal County as well as Cochise, Maricopa and Pima counties.

In addition to the 3.5 miles of identifiable and continuous and discontinuous earth fissures in the Greene Wash area, researchers also discovered 5.5 miles of unconfirmed fissures. Some of the unconfirmed fissures are in active farmlands where seasonal plowing can obliterate the surface of the crevice, according to AZGS…”

Read the full article: http://www.trivalleycentral.com/articles/2010/01/06/arizona_city_independent/top_stories/doc4b3a484d68365816567616.txt

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