USA

https://www.hellenicaworld.com/USA/USA.html

Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Penns
USA Online Encyclopedia

Lighthouse Directory

http://www.ibiblio.org/lighthouse/

Southern Upper Minnesota Missouri Nebraska Ohio Oklahoma West Virginia Wisconsin: Northeastern Wisconsin: Northern Wisconsin: Southeastern Western United States and U.S. Pacific T

The US Interstate Highway System: 40 Year Report

http://www.publicpurpose.com/freeway1.htm

Michigan 120 4,200 0.47 Minnesota 80 2,500 0.63 Mississippi 105 3,500 1.46 Missouri 190 6,400 1.33 Montana 50 1,700 2.27 Nebraska 30 1,100 0.72 Nevada 80 1,600 2.13 New Hampshire

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