BIOLOGICAL RECONNOISSANCE AT FLATHEAD LAKE. 169 



Table of Altitudes. 



The altitudes below are from aneroid readings. The barometer is 

 of English make, compensated, reading to 20,000 feet. It has been thor- 

 oughly tested, and the readings, although uncorrected for atmospheric 

 variations, are not far from correct. The altitudes are given for the 

 benefit of those who may be traveling in the regions mentioned. 



Kalispell, correct 2,946 



Flathead Lake 2,916 



Biological Station (approximate) 2,935 



Rost Lake 3,200 



Summit of Ridge on Silloway Peak, immediately 



above and west of Silloway Lake 7,350 



Wolf Creek at base of preceding ridge 5,450 



Silloway Peak, highest 7,725 



Silloway Peak, second summit 7,625 



Saddle, between Silloway and Arctomys 6,800 



Pass at head of Wolf Creek 6,550 



Craig Mountain, highest 7,425 



Shultz's cabin 3,225 



Water, trail above Shultz's 4,000 



First Summit, MacDougal Peak 6,750 



MacDougal Peak 7,725 



Notch, where trail passes 7,075 



Dodge Mountain 7,425 



Sylvan Lake 6,450 



Peak between MacDougal and Dodge 7,400 



Placid Lake 5.950 



Trail strikes View Ridge at 6,850 



View Ridge, highest 7,450 



Trail lake 6,200 



Trail strikes Trail Ridge at 6^750 



Trail Ridge, summit 6,950 



Sin-yale-a-min Lake 3,800 



Sin-yale-a-min Mountain 9,250 



McDonald Lake 3,300 



McDonald Peak, west summit 9,500 



Post Creek at wagon road 2,300 



Summit of Moraine at Flathead Lake 3,400 



