3 ms·
Is there any estimate how old it is? I imagine it would take possibly hundreds of years to establish but perhaps the steadystate maintenance has reached into th
by peteradio 3y ago
Is there any estimate how old it is? I imagine it would take possibly hundreds of years to establish but perhaps the steadystate maintenance has reached into thousands of years.
- vavooom 3y agoIts recorded as having been there since 1990 from this article posted above by @JoshGG. So almost 25 years! https://www.geostrategis.com/p_beavers-longestdam.htm https://www.geostrategis.com/p_beavers-longestdam.htm
- deleted 3y ago[deleted]
- brodouevencode 3y agoDon't you mean 35?
- vavooom 3y agoAh yes good catch. The article must have been published a decade ago as I didn't think too critically of the line when I cited: "It has at least existed at this spot for over 25 years as it can be observed on the 1990 Landsat 7 Pseudo Color Imagery provided by NASA World Wind"