SUMMEE IN A BOG. IT 



' ' Earlier glacial studies, proceeding on the theory 

 of a single ice age, placed together in many cases 

 events which we now know belong to different ice- 

 advances, but geologists have come to see that the 

 unravelling of the events of the Pleistocene means an 

 immense amount of detailed work, which will occupy 

 many years to come." 



This strip of bog is just as it was after 

 the warmth of the sun had shone for how many 

 centuries we can only guess, breathing into 

 the alluvial deposits and setting the organic 

 life in motion. The persistent flow of water 

 from that black-rimmed spring has kept at bay 

 the advances of civilization. Not even the 

 strong hands which wrought the fine road I 

 have just left, the National Eoad, could con- 

 trol the tiny water vein. 



"A fine old road!" I said to myself, stand- 

 ing up to look toward the West, and taking 

 in its smooth white line as it passed up the hill 

 and out of sight. 



See, leaning toward the earth, half -hidden 

 by the luxuriant grass, an old mile-stone. Time 

 was when the traveler from Cumberland, in 

 Maryland, could journey by stage along this 

 road to Indianapolis and keep tally of his dis- 

 tance by these records, then freshly cut and 

 upright. Many an illustrious traveler has gone 

 this way, not the least of whom was Lafayette, 

 in whose honor a village was named some five 



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