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Major Karst Regions

WorldPhysical Environment

Major karst regions in the world

A map illustrates the major karst regions in the world.

Areas shaded in peach represent major karst regions worldwide. In North America, significant karst areas are found in northern and central Canada and the eastern and southwestern United States. In Central America, karst landscapes are prevalent, with notable areas in eastern Brazil. Europe features many karst regions, extending across North Africa from Algeria to Egypt and reaching south to Nigeria in the west and South Sudan in the east. Southern Africa also has prominent karst areas. In Southwest Asia, karst regions are widespread, as well as in Siberia and south-central China. New Guinea and eastern and southern Australia are also marked by significant karst landscapes.

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Display by:	Major Karst Regions	Cotton Production (U.S.)			Major Territorial Acquisitions (U.S.)
	Major Karst Regions	Class	Rank	Metric tons	Extent of U.S., 1803	Louisiana Purchase, 1803	West Florida, 1810–1813	British Cession, 1818	East Florida, 1819	Northern Maine, 1842	Texas Annexation, 1845	Oregon Country, 1846	Mexican Cession, 1848	Gadsden Purchase, 1853	Alaska, 1867	Hawaii, 1898
Yukon	2.27%
Northwest Territories	1.44%
Nunavut	3.79%
Nova Scotia	45.5%
New Brunswick	7.07%
Newfoundland and Labrador	9.36%
Alberta	4.20%
Québec	2.89%
Manitoba	13.2%
Ontario	5.81%
Alaska			43	0.00											94.5%
Arizona	6.12%		12	6.10e+4									76.2%	23.8%
Utah	16.5%		21	0.00									100%
District of Columbia			48	0.00	97.6%
Florida	42.1%		16	3.70e+4					98.3%
Idaho	0.527%		31	0.00								99.8%
New Hampshire			37	0.00	99.9%
Rhode Island			50	0.00	97.7%
Vermont			22	0.00	99.9%
Washington			40	0.00								99.4%
Wyoming	4.22%		23	0.00		70.3%					4.53%	12.4%	12.7%
Montana			41	0.00		82.4%						17.6%
Maine	1.04%		20	0.00	82.4%					16.6%
North Dakota	18.3%		29	0.00		57.6%		42.4%
Kentucky	7.06%		30	0.00	99.9%
Virginia	17.5%		13	4.68e+4	99.5%
Delaware			28	0.00	98.0%
Mississippi	5.48%		4	2.57e+5	92.2%		7.44%
West Virginia	27.1%		42	0.00	100%
Nebraska	5.07%		39	0.00		100%
Texas	0.625%		1	7.51e+5							99.5%
Missouri	0.407%		7	1.81e+5		99.7%
Louisiana			11	7.84e+4		86.4%	12.4%
Hawaii			33	0.00												91.5%
North Carolina	13.2%		5	2.18e+5	99.2%
Oregon			26	0.00								99.8%
Alabama	6.35%		6	1.83e+5	95.7%		4.16%
New Mexico	29.5%		17	2.68e+4							57.5%		40.3%	2.23%
Kansas	2.31%		15	3.92e+4		91.7%					8.26%
Wisconsin	31.1%		45	0.00	99.8%
British Columbia															1.43%
New Jersey			32	0.00	99.0%
South Carolina			9	1.15e+5	99.6%
Michigan	8.03%		35	0.00	99.9%
Connecticut			36	0.00	99.6%
Pennsylvania	14.8%		27	0.00	100%
Colorado			46	0.00		41.3%					32.3%		26.4%
Nevada	4.77%		44	0.00									99.9%
Massachusetts			49	0.00	98.1%
Georgia	38.3%		2	5.66e+5	99.8%
New York	1.63%		25	0.00	99.4%
Maryland	0.239%		47	0.00	96.9%
Oklahoma	4.68%		14	4.57e+4		91.6%					8.45%
Tennessee	4.04%		8	1.55e+5	99.9%
California			10	9.45e+4									99.7%
Arkansas	17.2%		3	3.42e+5		99.8%
South Dakota			18	0.00		99.1%
Ohio			34	0.00	100%
Indiana	33.8%		24	0.00	100%
Minnesota	16.9%		38	0.00	33.8%	45.1%		20.9%
Iowa	0.441%		19	0.00		99.8%
Illinois	16.2%		51	0.00	99.7%

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