div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=-stereo-photography-was-employed-the-profile-was-marked-by-targets-on-or-inhtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: stereo photography was employed the profile was marked by targets on or in the plane of desired cross section The tunnel lining was illuminated and the profile plotted using loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsusreader034viewer20220421055e8331fa0a9dd143a4216066html5thumbnails1jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imageimg data-url=-stereo-photography-was-employed-the-profile-was-marked-by-targets-on-or-inhtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: stereo photography was employed the profile was marked by targets on or in the plane of desired cross section The tunnel lining was illuminated and the profile plotted using loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsusreader034viewer20220421055e8331fa0a9dd143a4216066html5thumbnails2jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=3Page 3button div class=ts-imageimg data-url=-stereo-photography-was-employed-the-profile-was-marked-by-targets-on-or-inhtmlpage=3 data-page=3 class=ts-thumb lazyload alt=Page 3: stereo photography was employed the profile was marked by targets on or in the plane of desired cross section The tunnel lining was illuminated and the profile plotted using loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsusreader034viewer20220421055e8331fa0a9dd143a4216066html5thumbnails3jpg width=140 height=200 divdiv
