Mineral exploration made important progress in .coal, uranium, iron, gold, silver, copper, nickel, zinc, lead, antimony, tungsten, molybdenum, vanadium, kainite and characteristic non-metal.
The accident investigation is inseparable from professional operations such as interpretation of the black box, on-site investigation, recovery of wreckage, visits to personnel and units, and laboratory testing.
Around dinnertime that day, Dr. Fujita's team in Chicago gets a call from the head of the National Severe Storms Prediction Center, who tells him, you guys are going to need to do some damage surveillance tomorrow.