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Principal Aquifers

North AmericaPhysical Environment

Locations of various aquifers in North America, including consolidated rock aquifers, which are made up of mostly volcanic rocks in the Northwest and mostly sandstone and limestone elsewhere; combination aquifers, which are sand and gravel aquifers overlying productive rock aquifers; and productive aquifers, which have a 0.4 liter/second potential

Geosystems: Intro to Physical Geography

A map highlights the principal aquifers across North America, categorized into three types.

Consolidated rock aquifers, shaded in green, are predominantly found in northern Canada, including regions like Yukon, Northwest Territories, and Nunavut, and extending into parts of British Columbia, Alberta, Saskatchewan, Manitoba, and Newfoundland and Labrador. Also found in the northern Canada regions like Victoria Island, Parry Island, Canadian Arctic Archipelago, and Ellesmere Island, also extending to Southern regions like Winnipeg, Ottawa, and Halifax. Combination aquifers, shaded in orange, are primarily located in the central and eastern United States, covering areas in states like Texas, Oklahoma, Kansas, Nebraska, and South Dakota, and extending to parts of the Midwest, Northeast, and Southeast, including New York, Pennsylvania, and Florida. Productive aquifers, also shaded in light green, are found in regions of Florida and across the western United States near Oregon.

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Principal Aquifers

U.S. Presidential Election by State: Electoral Votes, 2012

Producing Oil Fields In North America

Major Dams

Consolidated rock aquifers

Combination aquifers

Productive aquifers

Value

Producing Oil Fields In North America

Bersimis

Caniapiscau Barrage

Churchill Falls

Daniel Johnson

Denis-Perron

Ear Falls Dam

Eastmain-1

Fort Peck Dam

Gabbro Control Dam

Gardiner

Garrison Dam

Gouin

Grand Rapids

Hoover

Hugh Keenleyside

Isle Maligne Spillway 1

Jenpeg

Kenney

La Grande 2

La Grande 3

La Grande 4

Libby

Manicouagan 3

Mica

Oahe Dam

Opinaca

Outardes 4

Passes Dangereuses

Pine Portage Main

Rapides des Quinze

Revelstoke

Structure 193

Toledo Bend

W.A.C. Bennett

Whitesand Rapids

Yukon
83.0%
Northwest Territories
37.6%
Nunavut
2.51%
Nova Scotia
29.2%
Prince Edward Island
77.5%
New Brunswick
50.2%
Connecticut
2.14%Obama (D)
Delaware
98.6%Obama (D)
District of Columbia
55.6%Obama (D)
Georgia
2.57%17.9%Romney (R)
Hawaii
Obama (D)
Idaho
1.85%6.13%Romney (R)
Iowa
2.05%Obama (D)
Maine
Obama (D)
Maryland
34.3%Obama (D)
Massachusetts
Obama (D)
Minnesota
2.27%3.62%Obama (D)
Mississippi
99.6%Romney (R)
Nebraska
75.9%Romney (R)
Nevada
1.63%2.87%Obama (D)
New Hampshire
Obama (D)
New Jersey
58.8%Obama (D)
New York
3.15%Obama (D)
North Carolina
7.59%Romney (R)
Oregon
1.21%1.53%Obama (D)
Rhode Island
Obama (D)
South Carolina
30.0%2.54%Romney (R)
Tennessee
17.6%Romney (R)
Utah
2.03%Romney (R)
Vermont
Obama (D)
Virginia
8.27%Obama (D)
Washington
1.17%Obama (D)
Wisconsin
12.5%1.43%Obama (D)
Alaska
Romney (R)3
Wyoming
3.58%Romney (R)5
Kentucky
8.30%Romney (R)5
West Virginia
1.96%Romney (R)2
Missouri
56.4%Romney (R)1
Louisiana
98.6%Romney (R)6
Alabama
4.32%Romney (R)3
New Mexico
4.90%2.15%Obama (D)2
Kansas
1.62%5.11%Romney (R)3
Michigan
16.1%16.3%Obama (D)4
Alberta
6.33%9
Pennsylvania
11.6%Obama (D)3
Colorado
2.33%2.58%Obama (D)3
Oklahoma
1.97%2.69%Romney (R)5
California
4.23%1.35%Obama (D)4
Arkansas
15.9%Romney (R)2
Ohio
15.0%Obama (D)1
Indiana
11.6%Romney (R)1
Illinois
33.0%3.68%Obama (D)2
Arizona
5.15%Romney (R)11
Florida
25.3%1.48%Obama (D)1
Montana
1.34%Romney (R)211
North Dakota
3.00%6.69%Romney (R)1
Saskatchewan
11.0%611
Texas
27.0%Romney (R)261
British Columbia
59.8%211111
Newfoundland and Labrador
5.25%11
Québec
1.02%111111111111111
Manitoba
2.62%111
Ontario
5.05%111
South Dakota
10.3%6.62%Romney (R)1
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