Random conversation in Matt McGrath’s office a couple years ago after reading Nick Chrisman’s book we all knew

AUTOMAP (Automatic Mapping System) became operational

• Developed by the US Central Intelligence Agency
• It could produce coastlines and any form of line or point data
• A map compilation program at the world level

First color map on 1403 Line Printer, using colored carbon paper, Cooke / Maxfield

• First color map on 1403 Line Printer, using colored carbon paper, Cooke / Maxfield

George Jenks introduces the Jenks Natural Breaks Classification (or Optimization) system

• George Jenks introduces the Jenks Natural Breaks Classification (or Optimization) system

• A data classification method designed to optimize the arrangement of a set of values into "natural" classes
• Cartographers and map makers can utilize the Jenks method to identify break points in a data set by picking the class breaks that best group similar values and maximize the differences between classes
• Considered by some the "Father of GIS Classification Systems"