div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imagea href=https:reader042vdocumentsusreader042viewer20220225005aa062947f8b9a89178df72fhtml5page1jpg target=_blank img data-url=pubsusgsgov-85-55-30-6036-15-ms-u-highest-contact-geol-soc-america-spechtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: pubsusgsgov · PDF file65 85 55 30 6036! 1$5 ms u Highest Contact Geol Soc America Spec Paper 178 73 p 1962 PERSHING I REÞPESENT 20 FOOT CONTOURS loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentsusreader042viewer20220225005aa062947f8b9a89178df72fhtml5thumbnails1jpg width=140 height=200 adivdiv