Rockingham County, N.H.

1892

D.H. Hurd & Co.

1:158k

Map of Rockingham Co., New Hampshire

1857

Chace, J

1:16k

(General geological map of New Hampshire. Sheet 6)

1878

New Hampshire. Geological Survey

1:155k

(Topographic and glacial feature map of New Hampshire. Sheet 5)

1878

New Hampshire. Geological Survey

1:155k

Newburyport quadrangle, Massachusetts

1894

Geological Survey (U.S.)

1:63k

Haverhill quadrangle, Massachusetts

1893

Geological Survey (U.S.)

1:63k

Massachusetts. Atlas Plate No. 1.

1891

Walker, O.W.

1:63k

Haverhill

1956

1:63k

Haverhill

1956

1:63k

Haverhill

1956

1:63k