More info on the beacons and arrows: http://www.cntraveler.com/daily-traveler/2013/06/transcontinental-air-mail-r... -- Beverley Getzen Retired, US Army Corps of Engineers PO Box 202 Wadesboro, NC 28170-0202 704-694-7022 "There are times when we are powerless to prevent injustice, but there must never be a time we fail to protest." Elie Wiesel, Holocaust survivor and Nobel Laureate.