div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documentcrains-personal-pages-home-page-and-link-to-all-pages-review-of-gravity-and-magnethtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: Crains Personal Pages Home Page and Link to All Pages Review of Gravity and Magnet… · Computer contouring has been around for nearly 20 years and yet many geologists and geophysicists loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader034fdocumentsusreader034viewer20220502145f5fe5452e7e0d7efd351e6dhtml5thumbnails1jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imageimg data-url=documentcrains-personal-pages-home-page-and-link-to-all-pages-review-of-gravity-and-magnethtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: Crains Personal Pages Home Page and Link to All Pages Review of Gravity and Magnet… · Computer contouring has been around for nearly 20 years and yet many geologists and geophysicists loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader034fdocumentsusreader034viewer20220502145f5fe5452e7e0d7efd351e6dhtml5thumbnails2jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=3Page 3button div class=trans-imageimg data-url=documentcrains-personal-pages-home-page-and-link-to-all-pages-review-of-gravity-and-magnethtmlpage=3 data-page=3 class=trans-thumb lazyload alt=Page 3: Crains Personal Pages Home Page and Link to All Pages Review of Gravity and Magnet… · Computer contouring has been around for nearly 20 years and yet many geologists and geophysicists loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII=...