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Combined display of all available logs of Helderberg Hilltowns of Albany County, NY. You can narrow down the view by selecting a log type, the username (case-sensitive), or the affected page (also case-sensitive).
- 13:25, 9 October 2012 JElberfeld talk contribs uploaded File:1869HarpersHelderbergs5.jpg (Harper’s New Monthly Magazine – October 1869 – Specimens of Helderberg Fossils Category:All Images Category:Natural History)