Soli ersosion from hilltribe opium swiddens in the golden triangle, and the use os karren as an erosion yardstick

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Kevin kiernan

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kiernan, Kevin. “Soli ersosion from hilltribe opium swiddens in the golden triangle, and the use os karren as an erosion yardstick”. Endins: publicació d’espeleologia, no. 13, pp. 59-64, https://raco.cat/index.php/Endins/article/view/104308.