Monadnock Mountain

1989

1:24k

International Boundary, From the St. Lawrence River to the Source of the St. Croix River, Sheet No. 7

1923

International Boundary Commission

1:24k

Averill

1953

1:63k

Averill

1953

1:63k

Averill

1953

1:63k

Averill

1953

1:63k

Averill

1953

1:63k

Averill

1929

1:63k

Averill

1929

1:63k

Averill

1929

1:63k