div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imagea href=https:reader043fdocumentsusreader043viewer20220304005a7167157f8b9a98538cdc4ehtml5page1jpg target=_blank img data-url=documenthelictitecavesorgauhelictitecavesorgaupdf51101issuescreenpdfpdfhtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: helictitecavesorgauhelictitecavesorgaupdf51101IssueScreenpdf · largely on the interpretation of the geological structure The northeastern boundary is fomed by loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader043fdocumentsusreader043viewer20220304005a7167157f8b9a98538cdc4ehtml5thumbnails1jpg width=140 height=200 adivdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imagea href=https:reader043fdocumentsusreader043viewer20220304005a7167157f8b9a98538cdc4ehtml5page2jpg target=_blank img data-url=documenthelictitecavesorgauhelictitecavesorgaupdf51101issuescreenpdfpdfhtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: helictitecavesorgauhelictitecavesorgaupdf51101IssueScreenpdf · largely on the interpretation of the geological structure The northeastern boundary is fomed by loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader043fdocumentsusreader043viewer20220304005a7167157f8b9a98538cdc4ehtml5thumbnails2jpg width=140 height=200 adivdivdiv class=trans-pagebutton class=gotoPage data-page=3Page 3button div class=trans-imagea href=https:reader043fdocumentsusreader043viewer20220304005a7167157f8b9a98538cdc4ehtml5page3jpg target=_blank img data-url=documenthelictitecavesorgauhelictitecavesorgaupdf51101issuescreenpdfpdfhtmlpage=3 data-page=3 class=trans-thumb lazyload alt=Page 3: helictitecavesorgauhelictitecavesorgaupdf51101IssueScreenpdf · largely on the interpretation of the geological structure...