Coa river | Article about Coa river by The Free Dictionary
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COA(Certificate Of Authenticity) A document that accompanies software which states that it is an original package from the manufacturer. It generally includes a seal with a difficult-to-copy emblem such as a holographic image.
References in periodicals archive
Geological explanations for a lack of preservation of Mesolithic remains in the Coa valley are difficult to imagine, since we must accept that all occupations of this phase were located on the floodplain of the Coa river
Steep slopes of the Coa river
gorge, expanses of bare schist, and frequent floods that sweep the canyon bottom yield an impression that the landscape is unstable and that gorge walls are eroding rapidly.
In order to test claims that a large alluvial terrace at Penascosa, one of the 15 rock-art sites currently known along the Coa river
, is a Pleistocene feature, Watchman conducted luminescence dating of that site's sediment.