Damariscotta Shell Midden Historic District includes which dump of oyster shells?
Damariscotta Shell Midden Historic District:  It includes eleven middens in all, including the well-known Whaleback Shell Midden and the Glidden Midden, which is the largest shell midden in the northeastern United States. Whaleback Shell Midden: Whaleback Shell Midden is a shell midden, or dump, consisting primarily of oyster shells located on the east side of the Damariscotta River in Maine, United States.
Whaleback Shell Midden