tag:blogger.com,1999:blog-21010261.post2907450421686388360..comments2024-03-28T19:28:10.100-04:00Comments on <b>Rock Piles</b>: Marked rock in Walden Pondpwaxhttp://www.blogger.com/profile/16647940752050937588noreply@blogger.comBlogger2125tag:blogger.com,1999:blog-21010261.post-40871454083767441742013-05-13T17:25:36.695-04:002013-05-13T17:25:36.695-04:00I would contact the Thoreau Society in Concord, MA...I would contact the Thoreau Society in Concord, MA, about your discovery.Normanhttps://www.blogger.com/profile/10560996385875773347noreply@blogger.comtag:blogger.com,1999:blog-21010261.post-19063307356904393102013-05-13T16:07:25.500-04:002013-05-13T16:07:25.500-04:00I don't recognize the material. It looks like ...I don't recognize the material. It looks like the rock was severely battered in some way. The greyer portion is defined a bit by natural cracks in the rock. So, I have no idea if this is something natural or intentionally man-made.pwaxhttps://www.blogger.com/profile/16647940752050937588noreply@blogger.com