In exchange for the conveyance to the United States of the land described in section 343c–2 of this title, the Secretary of the Interior may convey to the Jackson Laboratory all right, title, and interest of the United States in and to the following described land in the town of Bar Harbor, Hancock County, Maine, more particularly described as follows:

Beginning at a stone bound set in the ground in the southeasterly side line of State Highway Numbered 3 leading from Bar Harbor to Seal Harbor, said stone bound marking the northeasterly corner of lot formerly belonging to the trustees of Louise D. Morrell, now owned by the Jackson Laboratory; said stone bound also marking the northwesterly corner of land belonging to the United States of America;

thence in a northeasterly direction but always following the southeasterly side line of State Highway Numbered 3, 31.0 feet to a point which marks the northwesterly corner of land belonging to the Jackson Laboratory;

thence south 23 degrees 40 minutes east and always following a southwesterly line of land belonging to the Jackson Laboratory, 603 feet, more or less, to a point in the old road originally leading to the Bear Brook Campground;

thence south 71 degrees 04 minutes east 20 feet, more or less, to a stone bound set in the ground in a southwesterly line of land belonging to the Jackson Laboratory;

thence following the same course; namely, south 71 degrees 04 minutes east and always following a southwesterly line of land belonging to the Jackson Laboratory, 183.2 feet to a stone bound set in the ground;

thence north 84 degrees 46 minutes east and always following a southeasterly line of land belonging to the Jackson Laboratory, 89.9 feet to a stone bound set in the ground in the northwesterly side of an old crossroad leading from the old Campground Road to State Highway Numbered 3;

thence north 23 degrees 16 minutes east and following a southeasterly line of land belonging to the Jackson Laboratory, 160.0 feet to an angle in said line;

thence north 9 degrees 16 minutes east and following a southeasterly line of land belonging to the Jackson Laboratory, 79 feet to an angle point in said line;

thence north 20 degrees 31 minutes east and following a southeasterly line of land belonging to the Jackson Laboratory, 445 feet to a stone bound set in the ground;