No One’s Mapping the Spread of Gangs in the USA, or Are They Dying Out? Which is True?

I ran several internet searches a couple of years ago, looking for visual data and maps which have documented the spread of violent gangs in the United States. Today, two years later, I am running that search again. Very little new information has been added. Conspicuously missing from the internet’s VAST repository of maps on…

Sinkholes and Karst Terrain Regions in America 1900 – 2015: Maps, Geological Data

“Karst” – noun, Geology Definition: an area of limestone terrain characterized by underground erosion, sinkholes, ravines, underground caves, caverns and streams.   The global phenomenon of suddenly forming sinkholes has unnerved humanity from Siberia to China to Utah and Florida. Sinkholes have been around since long before we were, but the intensity of recent extreme…

More Than 100 Years of History Has Seen Little Change in the Shifting Sands of the Mideast: 6 MAPS

It’s nearly impossible to grasp the magnitude of the mess in the Mideast without looking back into history at least 100 years. I found this excellent article on the Australian website http://www.smh.com.au/ and thought it would make a good post for American InfoMaps. Borders have been contested, dissolved, re-drawn, fought over, and re-drawn again in…