As they reach the crest of the divide, from which they can see far away on all sides, Mr. Hobart, using his field-glass to watch the movements of "Billy" Brackett's arms, directs Glen where to place his flag. "Right--more--more--away over to the right--there--steady! Left, a little--steady--so! Drive a stake there! Now hold your flag on it! A trifle to the right--that's good! Drive the tack! Move him up--all right, he's coming!" Then, leaving the axeman to point out the stake, just driven, to the transit-man, the engineer and his young flagman again dash forward.