Big Bog State Recreation Area, a recent addition to the Minnesota state park system, is located on Minnesota State Highway 72, north of Waskish, Minnesota. It covers 9,459 acres (38.3 km2), primarily swamps, bogs, and upland "islands".
Cowles Bog is a 4,000-year-old wetland complex in Indiana Dunes National Park, near Chesterton, Indiana. It is named for Henry Chandler Cowles who did his pioneering work in ecology and ecological succession here. His work brought international attention to the area which led to efforts to preserve the Indiana Dunes. It was designated a National Natural Landmark in 1965. It contains bog, fen, marsh, wet meadow, swamp, and pond habitats.
Volo Bog State Natural Area is a nature reserve in Illinois, United States, preserving Volo Bog. The bog was designated a National Natural Landmark in 1973 as the only remaining open-water quaking bog in Illinois. The site also contains woodlands, savanna, marshes, prairie restoration areas, shrubland and old fields. Maintained by the Illinois Department of Natural Resources, the site is located about a mile west of U.S. Route 12 between the towns of Volo and Fox Lake, Illinois.
Cedar Bog State Nature Preserve is a fen left behind by the retreating glaciers of the Wisconsin glaciation about 12,000-18,000 years ago. A protected area of about 450 acres (180 ha) of fen remains from the original area of approximately 7,000 acres (28 km2).
Keeley Creek Natural Area is a Research Natural Area and a National Natural Landmark that is protected by the United States Department of Agriculture, specifically through the branch of the Forest Service. It is located in Stony River Township, in Lake County, Minnesota, and is part of the Superior National Forest.
Lake Agassiz Peatlands Natural Area is a 25,411-acre (10,283 ha) National Natural Landmark located in Koochiching County, Minnesota. Designated in November 1965 under the Historic Sites Act, its ownership and oversight are provided by the National Park Service of the United States. This designation from the United States Secretary of the Interior, gives it recognition as an outstanding example of the nation's natural history. The designation describes it as
An example of the extensive peatlands occupying the bed of ancient glacial Lake Agassiz, illustrating the process of peat accumulation over about 11,000 years. The area contains Myrtle Lake Bog, which developed contrary to the usual successional process of lake filling, and is an excellent example of both raised and string bogs.
The Cedar Creek Ecosystem Science Reserve is an ecological research site located primarily in East Bethel, Minnesota in the counties of Anoka and Isanti on the northern edge of the Minneapolis-Saint Paul metropolitan area.
McLean Bogs is a National Natural Landmark containing two small kettle bogs located in Dryden, New York. It was donated to Cornell University by Curtis G. Lloyd in the 1930s, and an 81-acre (33 ha) site containing the bogs and surrounding woodlands was declared a National Natural Landmark in May 1983.
Moss Lake Bog is an 84-acre (34 ha) site containing a 15-acre (6.1 ha) glacial kettle lake located in the town of Caneadea, New York, outside Houghton. Over time, sphagnum moss has grown over the open water, turning it into an acidic bog. It is managed by The Nature Conservancy as part of Moss Lake Preserve, and was declared a National Natural Landmark in 1973.
Thompson Pond in Pine Plains, New York is a 75-acre (30 ha) 15,000-year-old glacial kettle pond at the foot of 1,403-foot (428 m) Stissing Mountain. It is the source of Wappinger Creek, a tributary of the Hudson River that drains much of Dutchess County.
Zurich Bog is a 490-acre (2.0 km2) sphagnum bog in Arcadia, New York. Lyman Stuart and the Newark School District donated the land on December 10, 1957 to the Bergen Swamp Preservation Society which had been created in 1935 to preserve the similar Bergen-Byron Swamp. The bog has been the focus of scientific interest since the 19th century, and was declared a National Natural Landmark in May 1973.
Beckley Bog is a sphagnum-heath-black spruce bog located near Norfolk in Litchfield County, Connecticut. It is the southernmost sphagnum heath bog in New England. The peat moss is over 51 feet deep. It was declared a National Natural Landmark in May 1977.
Spruce Lake Bog is a 140-acre (57 ha) bog in Fond du Lac County, Wisconsin. It is located within Kettle Moraine State Forest. The bog was designated a Wisconsin State Natural Area in 1968 and a National Natural Landmark in 1973.
Summerton Bog is a bog in Marquette County, Wisconsin. The bog provides a habitat for several rare species of plantlife and wildlife. It is owned by The Nature Conservancy and contains 428 acres (173 ha). The bog was designated a Wisconsin State Natural Area in 1966 and a National Natural Landmark in 1973.
The Mantua Bog State Nature Preserve is a 104.8-acre (42.4 ha) protected wetland in Mantua Township, Portage County in the U.S. state of Ohio. It was designated a National Natural Landmark in 1976 and a state nature preserve in 1990. The national landmark designation encompasses 285 acres (115 ha) which includes Marsh Wetlands State Nature Preserve, in addition to Mantua Bog State Nature Preserve.
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