UNH DIMOND LIBRARY
Documents Department & Data Center

Historic USGS Maps of New England
& New York

Ayer, MA Quadrangle

USGS 7.5 Minute Series
Latitude 42.5625 Longitude 288.4375

1939 northwest corner (jpeg 1.8 mb) northeast corner (jpeg 2.0 mb) southwest corner (jpeg 1.8 mb) southeast corner (jpeg 1.6 mb) Surveyed 1923, 1935

1939 northwest corner (jpeg 2.0 mb) northeast corner (jpeg 2.1 mb) southwest corner (jpeg 1.9 mb) southeast corner (jpeg 2.0 mb) Reprinted 1945, Surveyed 1923, 1935, 1944 (revised)

1939 northwest corner (jpeg 2.1 mb) northeast corner (jpeg 2.1 mb) southwest corner (jpeg 2.0 mb) southeast corner (jpeg 2.0 mb) Reprinted 1951, Surveyed 1923, 1935, 1944 (revised), 1950 (revised)

Adjacent USGS 7.5 Minute Series Quadrangles

Townsend Pepperell Tyngsboro Shirley Ayer Westford Clinton Hudson Maynard

USGS 15 Minute Series Quadrangle Covering this Area

Groton

Towns Covered By this Quadrangle

Ayer Groton Littleton Boxboro Harvard Shirley