Buckel's Bog was a 160-acre, shallow periglacial lake or a

glade Glade may refer to: Computing * Glade Interface Designer, a GUI designer for GTK+ and GNOME Geography *Glade (geography), open area in woodland, synonym for "clearing" **Glade skiing, skiing amongst trees ;Places in the United States * Glade, Kan ...

that occupied the headwater region of the North Branch of the

Casselman River The Casselman River is a U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map, accessed August 15, 2011 tributary of the Youghiogheny River in western Maryland and Pennsylvania in the United States.Ge ...

Garrett County, Maryland Garrett County () is the westernmost county of the U.S. state of Maryland. As of the 2020 census, the population was 28,806, making it the third-least populous county in Maryland. Its county seat is Oakland. The county was named for John Work ...

during the late

Pleistocene The Pleistocene ( , often referred to as the ''Ice age'') is the geological Epoch (geology), epoch that lasted from about 2,580,000 to 11,700 years ago, spanning the Earth's most recent period of repeated glaciations. Before a change was fina ...

epoch. It is the remnant of the only known

natural lake A lake is an area filled with water, localized in a basin, surrounded by land, and distinct from any river or other outlet that serves to feed or drain the lake. Lakes lie on land and are not part of the ocean, although, like the much larger ...

in Maryland. The eastern side of the remaining evidence of Buckel's Bog is presently traversed by the

as its waters flow northward into

Pennsylvania Pennsylvania (; ( Pennsylvania Dutch: )), officially the Commonwealth of Pennsylvania, is a state spanning the Mid-Atlantic, Northeastern, Appalachian, and Great Lakes regions of the United States. It borders Delaware to its southeast, ...

. In the nineteenth century, the fledgling United States began its westward expansion; the

National Road The National Road (also known as the Cumberland Road) was the first major improved highway in the United States built by the Federal Government of the United States, federal government. Built between 1811 and 1837, the road connected the Pot ...

was one artery proposed and constructed to facilitate this westward flow. The proposed road would cross the Casselman River just south of Buckel's Bog, so the (at that time) country's largest stone-arch bridge was constructed (1813–14) over the river. The 80–foot–span

Casselman Bridge The Casselman Bridge is an historic transportation structure on the Casselman River, located immediately east of Grantsville in Garrett County, Maryland. The bridge was built in 1813-1814 as part of the National Road. Historic markers posted at ...

, first used by wheeled vehicles in 1815, remained in use until 1933. Although now replaced by a nearby steel bridge, the stone bridge now serves as the centerpiece of Maryland's Cassselman River Bridge State Park.Casselman River Bridge State Park
/ref>

References

{{DEFAULTSORT:Buckel's Bog Bogs of Maryland Landforms of Garrett County, Maryland