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An excellent example of karst topography, this canyon is a collapsed dolomite cave with a 200 feet (61 m) natural bridge. Water in this canyon emerges 9 miles (14 km) away in Mammoth Spring , Arkansas .
[2] [3] The NHLs are distributed across fifteen of Missouri's 114 counties and one independent city, with a concentration of fifteen landmarks in the state's only independent city, St. Louis. The National Park Service (NPS), a branch of the U.S. Department of the Interior, administers the National Historic Landmark program. The NPS is ...
Pages in category "National Natural Landmarks in Missouri" The following 18 pages are in this category, out of 18 total. This list may not reflect recent changes .
The following are approximate tallies of current listings by county. These counts are based on entries in the National Register Information Database as of March 13, 2009 [2] and new weekly listings posted since then on the National Register of Historic Places web site. [3]
In the U.S. state of Missouri both state parks and state historic sites are administered by the Division of State Parks of the Missouri Department of Natural Resources. As of 2017 the division manages a total of 92 parks and historic sites plus the Roger Pryor Pioneer Backcountry , which together total more than 200,000 acres (81,000 ha). [ 1 ]
Golden Prairie is a 630-acre (2,500,000 m 2) tallgrass prairie named for its proximity to Golden City in the U.S. state of Missouri. The core 320-acre (1,300,000 m 2) area is a National Natural Landmark. Purple coneflowers (Echinacea pallida) at sunrise on Golden Prairie
Click on a state to see a list of the National Historic Landmarks in that state. The United States National Historic Landmark Program is designed to recognize and honor the nation's cultural and historical heritage. The program was formally inaugurated with a series of listings on October 9, 1960; as of August 21, 2020, there are 2,597 ...
Geologically Mark Twain Cave and its nearby neighbor Cameron Cave differ from most of the 6,500+ caves found in Missouri. Both are believed to be remnants of a much larger cave system cut apart by a glacier and millions of years of erosion, leading to speculation by geologists and common citizens alike that there may be further undiscovered caves in the Hannibal region.