div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: mastodon · COLLECTIONS THE BONES TALE The mastodon mystery began on July 28 2001 Burton Hartley a commercial excavator was digging a farm pond on … src=https:reader031fdocumentsusreader031viewer20220203165b5e637b7f8b9a51328c3321html5thumbnails1jpg 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: mastodon · COLLECTIONS THE BONES TALE The mastodon mystery began on July 28 2001 Burton Hartley a commercial excavator was digging a farm pond on … src=https:reader031fdocumentsusreader031viewer20220203165b5e637b7f8b9a51328c3321html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdiv