Amtrak launched an e-ticketing system on the Downeaster in November 2011 and rolled it out nationwide on July 30 2012 Amtrak officials said the system gives "more accurate knowledge in realtime of who is on the train which greatly improves the safety and security of passengers; en route reporting of onboard equipment problems to mechanical crews which may result in faster resolution of the issue; and more efficient financial reporting", 7.2 Housing Tech graduates have been deeply influential in politics military service and activism Atlanta mayor Ivan Allen Jr and former United States Senator Sam Nunn have both made significant changes from within their elected offices Former Georgia Tech President G Wayne Clough was also a Tech graduate the first Tech alumnus to serve in that position Many notable military commanders are alumni; James A Winnefeld Jr who currently serves as the ninth Vice Chairman of the Joint Chiefs of Staff Philip M Breedlove who currently serves as the Commander U.S Air Forces in Europe William L Ball was the 67th Secretary of the Navy John M Brown III is the Commander of the United States Army Pacific Command and Leonard Wood was Chief of Staff of the Army and a Medal of Honor recipient for helping capture of the Apache chief Geronimo Wood was also Tech's first football coach and (simultaneously) the team captain and was instrumental in Tech's first-ever football victory in a game against the University of Georgia Thomas McGuire was the second-highest scoring American ace during World War II and a Medal of Honor recipient, Georgia Sports Hall of Fame. 6 Sports Kennesaw pop 29,783 Cobb (1,952/sq mi), Cast iron used in rails proved unsatisfactory because it was brittle and broke under heavy loads the wrought iron invented by John Birkinshaw in 1820 replaced cast iron Wrought iron (usually simply referred to as "iron") was a ductile material that could undergo considerable deformation before breaking making it more suitable for iron rails But iron was expensive to produce until Henry Cort patented the puddling process in 1784 in 1783 Cort also patented the rolling process which was 15 times faster at consolidating and shaping iron than hammering These processes greatly lowered the cost of producing iron and rails the next important development in iron production was hot blast developed by James Beaumont Neilson (patented 1828) which considerably reduced the amount of coke (fuel) or charcoal needed to produce pig iron Wrought iron was a soft material that contained slag or dross the softness and dross tended to make iron rails distort and delaminate and they lasted less than 10 years Sometimes they lasted as little as one year under high traffic All these developments in the production of iron eventually led to replacement of composite wood/iron rails with superior all iron rails. Wartime roles and air targets Archery ? ? ? ? This section does not cite any sources Please help improve this section by adding citations to reliable sources Unsourced material may be challenged and removed (May 2018) (Learn how and when to remove this template message). . Year Population 5.3.4 Wartime roles and air targets 4.1 Topography and geology, 1990 6,478,216 18.6% Chattahoochee River National Recreation Area Wrestling Georgia 3.svg State Route 3. ; Clarkston pop 7,554 61/16 90/32 Industrial products include textiles and apparel transportation equipment food processing paper products chemicals and products and electric equipment.
! ! . . 6.8 Georgia Sports Hall of Fame Economy Atlanta Georgia business directory Phil Niekro played with the Braves from 1964 to 1983 and in 1987; he holds the MLB record for most wins by a knuckleball pitcher. . . King Kelly Interior view of the top deck of a VR InterCity2 double-deck carriage, In 1998 Glavine won his second.
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