The Mississippi river is the central artery of the United States. From it’s source, Lake Itasca Minnesota, it flows through 10 of the 50 states. When combined with the Missouri river, it forms the longest system in North America and the fourth longest in the world. The combination of the… Read more“Map Monday, Magnificent Mississippi River System”
Category: History
Map Monday, Canals Rise and Fall as Transportation Highways
Roughly 6,000 years ago the Mesopotamians built the first canals. These irrigation canals moved water from rivers to fields. The creation and management of their system sped the development of organized civilization and created the famed fertile crescent. Other river-based societies in India and Egypt also built extensive irrigation and… Read more“Map Monday, Canals Rise and Fall as Transportation Highways”
Map Monday, Time Zones where did they come from?
Time zones, for most of human existence they didn’t matter. The most important points in time were sunrise, sunset, and noon when the Sun reached its highest point in the sky. Since the Earth is a sphere rotating on its axis as it orbits the Sun, these events are location… Read more“Map Monday, Time Zones where did they come from?”