School House Pond
Reservoir in Middlesex County, Massachusetts · on the USGS Ayer quadrangle
42.55733, -71.58089
Maps that show School House Pond
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Hunt Map
Oxbow National Wildlife Refuge
Ayer, MA
Detailed map of terrain, trails and roads
USGS topo, 2024
Groton, MA
Old map for history, not navigation
USGS historical 15-minute topo (1893)
Groton, MA
Old map for history, not navigation
USGS historical 15-minute topo (1935)
Groton, MA
Old map for history, not navigation
USGS historical 15-minute topo (1936)
Bureau of Land Management Eastern States Overview map
BLM Eastern States (2019)
IFR Enroute Low Altitude Chart L-33 (U.S.)
FAA, 2026-10-29
IFR Enroute Low Altitude Chart L-34 (U.S.)
FAA, 2026-10-29
IFR Enroute Low Altitude Chart L-32 (U.S.)
FAA, 2026-10-29
IFR Enroute High Altitude Chart H-11 (U.S.)
FAA, 2026-10-29
IFR Enroute High Altitude Chart H-10 (U.S.)
FAA, 2026-10-29
IFR Enroute High Altitude Chart H-12 (U.S.)
FAA, 2026-10-29
Nearby
Name, class, county and location: USGS Geographic Names Information System (public domain).