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Roman trade routes and principal products in each region

Mapping Three Decades of Global Water Change New research reveals how water has changed across the surface of the earth over the last 30 years.

A mere five weeks after the first quake racked America's frontier, the second ​main ​shock of the historic New Madrid sequence rang in at a magnitude ~7.3 on Jan. 23, 1812. While settlers were still chronicling the impacts of the Dec. 16, 1811 magnitude ~7.5 event, the Ohio River was also iced over; hence, little river traffic resulted in fewer​ close-in​ human observers. Using the first event as a standard and dozens of far-field reports reaching 600–700 miles to the Eastern Seaboard, however, there is a scientific consensus that this earthquake was the smallest of the three main ​temblors.

Read more about the New Madrid 1811-1812 at https://on.doi.gov/2h4LqEY.

Only 5% of the entire world's population lives in the blue shaded regions. For comparison, another 5% lives in the red shaded area.

Best 10 Open Source Web Mapping Tools that trend for 2017  

Today Alex is finishing up detail on a Celestial Globe & we have an excuse for more !

Libra is Latin for weighing scales, making it the only constellation of the Zodiac representing an inanimate object. At 538 square degrees, Libra ranks 29th overall in terms of size. It doesn’t have any first magnitude stars, making it relatively faint but not impossible to view with the naked eye.

At one time Libra was considered part of Scorpius — the scales looked like claws hung upside down — but then Roman astronomers redrew the skyline and moved the claws of the scorpion to Libra.

The association with scales and balance began with the ancient Babylonians, with the scales representing the balance between the seasons as well as day and night. The ancient Greeks viewed Libra as the claws of Scorpius reaching out.

To the Romans, Libra represented the scales of justice being held by the goddess Virgo or Astraea.

Globes : www.bellerbyandco.com

Water: An Atlas | Peer Review (Call 2 Maps) – Guerrilla Cartography Click on the title of the map you would like to review. In the comments, please ask questions or make suggestions that will help the cartographer...

Calendar | UBIQUE Calendar View as ListMonth Week Day Month: Year: PreviousNext January 2017 Mon Tues Wed Thur Fri Sat Sun 26 27 28 29 30 31 1 2 3 4 5 6 7 8 9 10 11...

- 2017 GISC map contest at http://bit.ly/2jrL4MH

CIA declassified its map collection on Flickr and it is totally awesome - Geoawesomeness Tweet Share on Facebook Share Share Email Pin Pocket Flipboard “An intelligence agency is a government agency responsible for the collection, analysis, and exploitation of information and intelligence in support of law enforcement, national security, military, and foreign policy objectives” we can r...

Azimuthal Projection: Orthographic, Stereographic and Gnomonic - GIS Geography The azimuthal projection plots the surface of Earth using a flat plane. For example, common azimuthal projections are gnomonic, stereographic & orthographic

Geosynchronous vs Geostationary Orbits - GIS Geography While geosynchronous satellites can have any inclination, the key difference is that satellites in geostationary orbit lie on the same plane as the equator.