. "Ackerman's Field is a field in Maine, off of Route 117 and overlooking the Androscoggin River, that contains a rough circle of eight stones, ranging in height from three to five feet."@en . "Ackerman's Field"@en . "Ackerman's Field is a field in Maine, off of Route 117 and overlooking the Androscoggin River, that contains a rough circle of eight stones, ranging in height from three to five feet."@en .