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, <COPfECE secu. a cine dane neue wauecn ng wena 2,946 
Mlathead: Lake: sissy Maw wets ade wa tinde es Hee eikere Vee 2,916 
Biological Station (approximate) ................ 2,935 
Rost: LakG cas waay daa si Av Se Gide Kage eareeas 3,200 
Summit of Ridge on Silloway Peak, immediately 
above and west of Silloway Lake .... .. .... 3850 
Wolf Creek at base of preceding ridge ........... 5,450 
Silloway Peak, highest .... ...... cece eee eee eee 7,725 
Silloway Peak, second summit .................. 7,625 
Saddle, between Silloway and Arctomys ........ 6,800 
Pass at head of Wolf Creek .......... 1. .....0-- 6,550 
Craig Mountain, highest ...... 2.1... cece eee ee eee 7,425 
SHUlES: \COWI, aves ween. Ss oxrnurs nab eons ie ges ote 3,225 
Water, trail above Shultz’s .... ...... eee e eee 4,000 
First Summit, MacDougal Peak .................. 6,750 
MacDougal Peak .......... cee eee cee cece eeee 7,725 
Notch, where trail passes ...... ...... . ee aienae 7,075 
Dodge Mountain ........ ...... Soa etme Gopate ee 7,425 
Sylvan AKG cari. aay aanae dee bo eip- ae hed as acenabacncsnceenect 6,450 
Peak between MacDougal and Dodge ............. 7,400 
Placid Lake cis Qawiia See ee Sew eeu Sela wpe ee 5,950 
Trail strikes View Ridge at...... ........ 6. wees 6,850 
View Ridge, highest, .......... cece eee ce eee 7,450 
Trail lake ecse. keg ne Beene Ree: what a uied 6,200 
Trail strikes Trail Ridge at ........ cee eee weeeee 6,750 
Trail Ridge, summit .... 2. 2... cee eee ween eee 6,950 
Sin-yale-a-min Lake ...... cesses cence cee eens 3,800 
Sin-yale-a-min Mountain .... 1... cesses eee eees 9,250 
McDonald Lake ...5. aesceers Cesar wes eeeuee wees 3,300 
McDonald Peak, west summit .... .. .. .. .. «..- 9,500 
Post Creek at wagon road ........ eee eee cere 2,300 
Summit of Moraine at Flathead Lake ............ 3,400 
