div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: Monitoring with · Dans le cadre du travaille sur les collines Turtle surface collapse associated with abandoned coal mine workings is a common occurrence in developed areas src=https:reader030vdocumentinreader030viewer20220201205aacb3067f8b9a2b4c8d8171html5thumbnails1jpg 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: Monitoring with · Dans le cadre du travaille sur les collines Turtle surface collapse associated with abandoned coal mine workings is a common occurrence in developed areas src=https:reader030vdocumentinreader030viewer20220201205aacb3067f8b9a2b4c8d8171html5thumbnails2jpg 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: Monitoring with · Dans le cadre du travaille sur les collines Turtle surface collapse associated with abandoned coal mine workings is a common occurrence in developed areas src=https:reader030vdocumentinreader030viewer20220201205aacb3067f8b9a2b4c8d8171html5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 4button div class=ts-image amp-img class=ts-thumb alt=Page 4: Monitoring with · Dans le cadre du travaille sur les collines Turtle surface collapse associated with abandoned coal mine workings is a common occurrence in developed areas src=https:reader030vdocumentinreader030viewer20220201205aacb3067f8b9a2b4c8d8171html5thumbnails4jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 5button div class=ts-image amp-img class=ts-thumb alt=Page 5: Monitoring with · Dans le cadre du travaille sur les collines Turtle surface collapse associated with abandoned coal mine workings is a common occurrence in developed areas src=https:reader030vdocumentinreader030viewer20220201205aacb3067f8b9a2b4c8d8171html5thumbnails5jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 6button div class=ts-image amp-img class=ts-thumb alt=Page 6: Monitoring with · Dans le cadre du travaille sur les collines Turtle surface collapse associated with abandoned coal mine workings is a common occurrence in developed areas src=https:reader030vdocumentinreader030viewer20220201205aacb3067f8b9a2b4c8d8171html5thumbnails6jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 7button div class=ts-image amp-img class=ts-thumb alt=Page 7: Monitoring with · Dans le cadre du travaille sur les collines Turtle surface collapse associated with abandoned coal mine workings is a common occurrence in developed areas src=https:reader030vdocumentinreader030viewer20220201205aacb3067f8b9a2b4c8d8171html5thumbnails7jpg width=142 height=106 layout=responsive amp-img divdiv