Lake Marian

Reservoir in Frederick County, Maryland · on the USGS Walkersville quadrangle

39.41842, -77.32579

Maps that show Lake Marian

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Walkersville, MD — USGS 7.5-minute topo (2023)

Walkersville, MD

Detailed map of terrain, trails and roads

USGS topo, 2023

Frederick, MD — USGS historical 15-minute topo (1942)

Frederick, MD

Old map for history, not navigation

USGS historical 15-minute topo (1942)

Ijamsville, MD — USGS historical 15-minute topo (1908)

Ijamsville, MD

Old map for history, not navigation

USGS historical 15-minute topo (1908)

Ijamsville, MD — USGS historical 15-minute topo (1909)

Ijamsville, MD

Old map for history, not navigation

USGS historical 15-minute topo (1909)

Potomac Heritage Trail Map - Potomac Heritage National Scenic Trail

Potomac Heritage Trail Map - Potomac Heritage National Scenic Trail

National Park Service Maps · Potomac Heritage National Scenic Trail

Bureau of Land Management Eastern States Overview map — BLM Eastern States (2019)

Bureau of Land Management Eastern States Overview map

BLM Eastern States (2019)

IFR Area Chart A-01 (U.S.) — FAA, 2026-10-29

IFR Area Chart A-01 (U.S.)

FAA, 2026-10-29

IFR Enroute Low Altitude Chart L-29 (U.S.) — FAA, 2026-10-29

IFR Enroute Low Altitude Chart L-29 (U.S.)

FAA, 2026-10-29

IFR Enroute Low Altitude Chart L-36 (U.S.) — FAA, 2026-10-29

IFR Enroute Low Altitude Chart L-36 (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-34 (U.S.)

FAA, 2026-10-29

IFR Enroute Low Altitude Chart L-32 (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-10 (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

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).