div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=geologic-map-of-allegheny-portage-railroad-nhs-mp-pocono-formation-cghtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: Geologic Map of Allegheny Portage Railroad NHS · Mp - Pocono Formation Cg cw cg Ons Oba Ons Oba Oci St sc Swc Sb Geologic Map of Allegheny Portage Railroad NHS Author: loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentssitereader030viewer20220215115b1535967f8b9a66508e3d51html5thumbnails1jpg width=140 height=200 divdiv