From the GIS Colorado list:
This is a great article in Smithsonian Magazine.
I thought many on this list might find it interesting.
http://www.smithsonianmag.com/history/unlikely-history-origins-modern-maps-180951617/
Tripp Corbin, MCP, CFM, GISP| Chief Executive Officer
eGIS Associates, Inc.
tcorbin@egisassociates.com | www.egisassociates.com
678-710-9710 ext 21 | 866-304-3864 Fax
Esri Certified Trainer | Esri Certified Desktop Associate | Esri Certified Enterprise System Design Associate
(June 3)