This reminds me when I was roaming around Annapolis, MD, I spotted one of the ma...

sg0 on March 22, 2019 | parent | context | favorite | on: Philadelphia's early-1800s wooden water pipes

This reminds me when I was roaming around Annapolis, MD, I spotted one of the many markers around the historic downtown, about how utility workers stumbled upon clay pipes when they were servicing underground water pipes.