The first transatlantic balloon crossing was launched from its
 city of Presque Isle.
This state retained control of Seavey's Island in a 2001 Supreme Court case contesting its border with its
 southern neighbor at the Piscataqua River. The first transatlantic balloon crossing was launched from its
 city of Presque Isle. Much of this state is watered by the Penobscot River, which becomes navigable after
 running past the city of Bangor. The "Hundred-Mile Wilderness" in this state culminates in Mount
 Katahdin, the northern terminus of the Appalachian Trail. For 10 points, name this state which was
 partitioned entirely out of Massachusetts and which has cities named Portland and Augusta.
This state retained control of Seavey's Island in a 2001 Supreme Court case contesting its border with its
 southern neighbor at the Piscataqua River.
Maine