div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documentusgs-2011-04-08-usaf3-19-54-15-t-0103-meters-650-600-550-500-mcl7-1984-to-320htmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: USGS · 2011-04-08 · usaf3 19 54 15 t 0103 meters 650 600 550 500 mcl7 1984 to 320 feet 2200 2150 2100 2050 2000 1950 1900 1850 1800 1750 1700 165c 1600 meters 650 600 550 500 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader034fdocumentsusreader034viewer20220501185f4e544eb5d39f74f630fd5chtml5thumbnails1jpg width=140 height=200 divdiv