This insight highlights the complex and unpredictable nature of glacial movements that led to the formation of these islands. Beyond their geological value, the Boston Harbor drumlin islands are ...

As the icy coat melted away, it left behind piles of sediment and glacial debris in hundreds of elongated, streamlined hills known as drumlins, which were later partially submerged by rising sea ...

MAX: As it melted, the movement of enormous chunks of ... moulded into hundreds of small-rounded hills called Drumlins. Some of the main glacial landforms can be seen in the diagram below: These ...