Картинка:Karst following phosphate mining on Nauru.jpg

от Уикипедия, свободната енциклопедия

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Karst_following_phosphate_mining_on_Nauru.jpg (480 × 321 пиксела, размер на файла: 75 KB, MIME тип: image/jpeg)

Емблемата на Общомедия Този файл се намира в Общомедия — хранилището за свободно съдържание на Фондация Уикимедия.

A limestone karst on Nauru Island as a result of the over-mining of phosphate.

Courtesy: U.S. Department of Energy's Atmospheric Radiation Measurement Program.

Source: [1] (http://www.arm.gov/)

Public domain This photograph was produced by ARM.gov.

Their site states:

  • Any of the below images or graphics may be reproduced and published at your discretion. Please use the following credit line: "Courtesy: U.S. Department of Energy's Atmospheric Radiation Measurement Program."

Additionally, the ARM program is part of the U.S. Department of Energy, whose images are in the public domain.

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