Holt Road Marsh
Swamp in Merrimack County, New Hampshire · on the USGS Penacook quadrangle
43.29591, -71.52591
Maps that show Holt Road Marsh
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Penacook, NH
Detailed map of terrain, trails and roads
USGS topo, 2024
Penacook, NH
Old map for history, not navigation
USGS historical 15-minute topo (1927)
Penacook, NH
Old map for history, not navigation
USGS historical 15-minute topo (1956)
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).