Colby Hill
Summit in Merrimack County, New Hampshire · on the USGS Hillsboro Upper Village quadrangle
43.19138, -71.87570
Maps that show Colby Hill
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Hillsboro Upper Village, NH
Detailed map of terrain, trails and roads
USGS topo, 2024
Hillsboro, NH
Old map for history, not navigation
USGS historical 15-minute topo (1926)
Hillsboro, NH
Old map for history, not navigation
USGS historical 15-minute topo (1929)
Hillsboro, NH
Old map for history, not navigation
USGS historical 15-minute topo (1957)
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).