div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: Sierra Club Home Page: Explore Enjoy and Protect the Planet · 2019 12 16 · TO THE EDITOR SIERRA ECHO As part of —19 August 1979 we led an official SPS en e exploratory src=https:reader035fdocumentsusreader035viewer20220712166048d1d3ee41e10b7065289bhtml5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 2button div class=trans-image amp-img class=trans-thumb alt=Page 2: Sierra Club Home Page: Explore Enjoy and Protect the Planet · 2019 12 16 · TO THE EDITOR SIERRA ECHO As part of —19 August 1979 we led an official SPS en e exploratory src=https:reader035fdocumentsusreader035viewer20220712166048d1d3ee41e10b7065289bhtml5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 3button div class=trans-image amp-img class=trans-thumb alt=Page 3: Sierra Club Home Page: Explore Enjoy and Protect the Planet · 2019 12 16 · TO THE EDITOR SIERRA ECHO As part of —19 August 1979 we led an official SPS en e exploratory src=https:reader035fdocumentsusreader035viewer20220712166048d1d3ee41e10b7065289bhtml5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 4button div class=trans-image amp-img class=trans-thumb alt=Page 4: Sierra Club Home Page: Explore Enjoy and Protect the Planet · 2019 12 16 · TO THE EDITOR SIERRA ECHO As part of —19 August 1979 we led an official SPS en e exploratory src=https:reader035fdocumentsusreader035viewer20220712166048d1d3ee41e10b7065289bhtml5thumbnails4jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 5button div class=trans-image amp-img class=trans-thumb alt=Page 5: Sierra Club Home Page: Explore Enjoy and Protect the Planet · 2019 12 16 · TO THE EDITOR SIERRA ECHO As part of —19 August 1979 we led an official SPS en e exploratory...