Flood Marker of 1771 - Credit: Wikimedia Commons
The Flood Marker of 1771 is a monument that marks the high point of a flood of the James River on May 27, 1771, that killed around 150 people near Richmond, Virginia. and Accompanying photo at Virginia Historic Landmarks Commission, undated The river reached a flood stage of around above its normal levels. Read more on Wikipedia
Source: en.wikipedia.org