http://creativecommons.org/publicdomain/zero/1.0/deed.enCC0Creative Commons Zero, Public Domain Dedicationfalsefalse
原始上传日志
The original description page was here. All following user names refer to en.wikipedia.
2010-12-21 03:47 Jstuby 399×597 (138542 bytes) [[Unconformity]] (at the hammer) between underlying [[Mississippian]] [[Borden Formation]] and overlying [[Pennsylvanian]] [[Sharon Conglomerate]], on US Rt. 35, near [[Jackson, Ohio]]. 1998.