div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documentpubsusgsgov-manuscnpt-approved-for-publication-november-3-1989-are-1-800htmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: pubsusgsgov · Manuscnpt approved for publication November 3 1989 are 1 800 2000 2000 1 900 1 900 300 p D 202 so 1 00 1000 20250 -1000 -1000 -1000 202 50 639A88 601 AOI 639A90 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader031fdocumentsusreader031viewer20220310155b991add09d3f2fd558d2a90html5thumbnails1jpg width=140 height=200 divdiv