List of National Natural Landmarks in Iowa

From List of National Natural Landmarks, these are the National Natural Landmark

National Natural Landmark

The National Natural Landmark program recognizes and encourages the conservation of outstanding examples of the natural history of the United States. It is the only natural areas program of national scope that identifies and recognizes the best examples of biological and geological features in...

s in Iowa

Iowa

Iowa is a state located in the Midwestern United States, an area often referred to as the "American Heartland". It derives its name from the Ioway people, one of the many American Indian tribes that occupied the state at the time of European exploration. Iowa was a part of the French colony of New...

. There are 8 in total, X are lakes or pond, Y are forests, Z are other.

	Name	County	Description
1	Anderson Goose Lake Anderson Goose Lake Anderson Goose Lake or Goose Lake or Anderson Lake are the names of a natural glacial lake located in Hamilton County, Iowa, close to Jewell Junction. It is an important waterfowl habitat. It is a National Natural Landmark designated in 1975....	Iowa	One of the few essentially natural glacial pothole lakes remaining in Iowa.
2	Cayler Prairie	Dickinson Dickinson County, Iowa -2010 census:The 2010 census recorded a population of 16,667 in the county, with a population density of . There were 12,849 housing units, of which 7,554 were occupied.-2000 census:...	An example of the increasingly rare virgin prairie grassland.
3	Cold Water Cave Cold Water Cave Cold Water Spring State Preserve is a parcel state preserve protecting a spring that issues from Cold Water Cave, an extensive cave system in Winneshiek County, Iowa and Fillmore County, Minnesota. The spring is a tributary of the Upper Iowa River....	Winneshiek Winneshiek County, Iowa -2010 census:The 2010 census recorded a population of 21,056 in the county, with a population density of . There were 8,721 housing units, of which 7,997 were occupied.-2000 census:...	An exceptional example of an extensive cave system well decorated with speleothems.
4	Dewey's Pasture and Smith's Slough	Clay Clay County, Iowa -2010 census:The 2010 census recorded a population of 16,667 in the county, with a population density of . There were 8,062 housing units, of which 7,282 were occupied.-2000 census:... , Palo Alto	Pothole lakes created during the last glacial epoch.
5	Hayden Prairie State Preserve Hayden Prairie State Preserve The Hayden Prairie State Preserve is a tallgrass prairie located in Howard County, Iowa. The nearest towns are Chester and Lime Springs, both close to the northern border of the state of Iowa...	Howard Howard County, Iowa -2010 census:The 2010 census recorded a population of 9,566 in the county, with a population density of . There were 4,367 housing units, of which 3,944 were occupied.-2000 census:...	A true prairie remnant.
6	Loess Hills Loess Hills The Loess Hills are a formation of wind-deposited loess soil in the westernmost part of Iowa and Missouri along the Missouri River.-Geology:The Loess Hills are generally located between 1 and east of the Missouri River channel...	Harrison Harrison County, Iowa -2010 census:The 2010 census recorded a population of 14,928 in the county, with a population density of . There were 6,731 housing units, of which 5,987 were occupied.-2000 census:... , Monona Monona County, Iowa -2010 census:The 2010 census recorded a population of 9,243 in the county, with a population density of . There were 4,697 housing units, of which 4,050 were occupied.-2000 census:...	The best examples of loess Loess Loess is an aeolian sediment formed by the accumulation of wind-blown silt, typically in the 20–50 micrometre size range, twenty percent or less clay and the balance equal parts sand and silt that are loosely cemented by calcium carbonate... topography in the Missouri River Bluffs region.
7	White Pine Hollow State Forest White Pine Hollow State Forest The White Pine Hollow State Forest is a forested area in Dubuque County, Iowa. Of the forest, a tract is a National Natural Landmark and Iowa State Preserve. The state forest is named after its dominant old-growth tree, the white pine. The grove is said to be the only old-growth patch of white...	Dubuque Dubuque County, Iowa Dubuque County is a county located in the U.S. state of Iowa. The population was 93,653 in the 2010 census, an increase from 89,143 in the 2000 census. The county seat is the city of Dubuque. Dubuque County is coterminous with the Dubuque, Iowa Metropolitan Statistical Area, and is the seventh...	The only known remaining white pine White Pine -Trees:* Trees in the pine subgenus Pinus subgenus Strobus** Eastern White Pine , one of these species, native to northeastern North America... tract in Iowa.

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