div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: InterAndean Institute of Coca Sciences · 15000 to 20000 feet above the sea Thejourney from Tacua to La Paz one hundred and twenty miles obliges the following of a trail which src=https:reader034vdocumentsusreader034viewer20220520066019f53719e1c02b49104681html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 2button div class=ts-image amp-img class=ts-thumb alt=Page 2: InterAndean Institute of Coca Sciences · 15000 to 20000 feet above the sea Thejourney from Tacua to La Paz one hundred and twenty miles obliges the following of a trail which src=https:reader034vdocumentsusreader034viewer20220520066019f53719e1c02b49104681html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 3button div class=ts-image amp-img class=ts-thumb alt=Page 3: InterAndean Institute of Coca Sciences · 15000 to 20000 feet above the sea Thejourney from Tacua to La Paz one hundred and twenty miles obliges the following of a trail which src=https:reader034vdocumentsusreader034viewer20220520066019f53719e1c02b49104681html5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdiv