during the ravens' game-winning drive, a 'delay of game' was not called after the play clock had hit 0 for several seconds, which enabled the ravens to go on to kick the game-winning field goal. the physical or nuclear half-life of 137cs is about 30 years. the village lies in a relatively flat plain. there are also two large stained glass windows & on the stair landing. pa 309 runs through the southern end of forty fort. it was her first work in light opera after working for years in grand opera. 