Grandpa Knob
Summit in Rutland County, Vermont · on the USGS Proctor quadrangle
43.65863, -73.10637
Maps that show Grandpa Knob
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Proctor, VT
Detailed map of terrain, trails and roads
USGS topo, 2024

Castleton, NY
Old map for history, not navigation
USGS historical 15-minute topo (1897)

Castleton, VT
Old map for history, not navigation
USGS historical 15-minute topo (1895)

Green Mountain and Finger Lakes National Forests
Green Mountain — Forest Service forest map

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
Name, class, county and location: USGS Geographic Names Information System (public domain).