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The Natural Resources Conservation Service divides Iowa into 23 soil regions. In general, soils of southern, eastern, and western Iowa are loess-derived, while soils of northern and central Iowa are till-derived. Most level areas of Iowa have soils highly suitable for agriculture, making Iowa one of the most productive farming regions of the world.
The Iowa Department of Natural Resources (Iowa DNR or IA DNR) is a department/agency of the U.S. state of Iowa formed in 1986, charged with maintaining state parks and forests, protecting the environment of Iowa, and managing energy, fish, wildlife, land resources, and water resources of Iowa.
The White Pine Hollow State Forest is a 944-acre (382 ha) forested area in Dubuque County, Iowa, United States. Of the forest, a 712-acre (288 ha) [2] tract is a National Natural Landmark and Iowa State Preserve. The state forest is named after its dominant old-growth tree, the white pine.
Iowa State Preserves tend to be small parcels of land with some historic or environmental significance. The arrangement is alphabetic. This is based on information found at a website maintained by the Iowa Department of Natural Resources .
This is a list of 63 state parks and recreation areas in Iowa. These state parks of the U.S. state of Iowa can be split into two groups based on management. The first group are those state parks managed by the Iowa Department of Natural Resources. The second group are those state parks managed by the county in which they are found.
Bixby State Preserve is a nature reserve located in southwestern Clayton County, Iowa, in the midwestern United States. It is located 3 miles (4.8 km) north of Edgewood . It is operated by the Iowa Department of Natural Resources as one of the Iowa state preserves .
Samuel Calvin (1840–1911) was Iowa's first systematic geologist, who helped to make the first bedrock and landform maps of Iowa, as well as lead geological research throughout the state. [54] Calvin Hall at the University of Iowa is named for him.
Iowa: Private One of the few essentially natural glacial pothole lakes remaining in Iowa. Cayler Prairie: 1965: Dickinson: State An example of the increasingly rare virgin prairie grassland. Cold Water Cave: 1987