The United States Geological Survey recognizes 35,000 cities and towns within the U.S. To be recognized by the United States Geological Survey, a place simply has to have a permanent population and buildings. It does not... More »

As of 2014, the five largest cities in the United States by population are New York, Los Angeles, Chicago, Houston and Philadelphia. The next five largest cities in the nation are Phoenix, San Antonio, San Diego, Dallas ... More »

As of January 2015, the U.S. Census Bureau requires a minimum population of 2,500 people to classify an area as urban rather than rural, and 1,500 of these people must live outside of institutional housing. No other nati... More »

Companies that make maps with fault lines are the United States Geological Survey, Maps of World and Rand McNally. The U.S. Geological Survey, Geology.com and Thule Scientific, as well as state entities such as the Calif... More »

www.reference.com Geography Maps & Cartography

The United States Geological Survey, or USGS, monitors earthquakes and land movement over extended periods of time to update fault line maps. They primarily use GPS monitors that track differences in tectonic plate posit... More »

www.reference.com Geography Maps & Cartography

Basic map symbols include, but are not limited to, stars indicating political capitals, circles for towns or cities, inverted triangles for mountains and wavy lines for rivers. Map legends are essential tools that allow ... More »

The Commonwealth of Massachusetts' Secretary of State's website has maps of the cities and towns in Massachusetts. The maps are located in the Citizen Information Service section of the website. More »

www.reference.com Geography Maps & Cartography