Exploring Visits to the Sources of the Hudson. 311 
in the field, and it is possible that this ygronisiris depression may 
hanes _ affected some of the observations which here dollew. 
Sper sta & 
nn. —Ba- Lower sta- #3 
on.—60 | ‘toS 
eta L 30 fect above Zs 
Date, Place of observation. Tour. = of eis. ease, Al} , 3 
tern Sur. 
wy Bar |e Be ES 
Th.| rom. |Th. rom. | O = 
July 29, | Lake Champlain at White Hall, A. m.| 72°|99.91| - | - 90 
= Sammit of Skeenes’ Mountain “at Do. : 40 “ |} 71} 29.39} - 588 
“| Lake Champlain at Port Hen nry, - 73 | 29.91 
x East Moriah, Four Corners,t 545 « 1 } 29.09}. - = 880 
July 31, it, 9 miles from La mpla 10.45 A. m.| 71 | 28.42 | 72°] 29.94 | 1.546 
ie West Moriah, at Weatherhead’s,Schroon valley, LIS Pp. m.| 75 | 28.86} 75 ae BEY 2 
es Road summit, pass of Schroon Mo: 1 69 | 28,57 | 73 | 29.93 11.375 
“| Johnson’s, at C dy 560. © | 67-) 27937, 72 1. * (20 
Aug. 1, cond observation,t 6.20 a. m.| 62 | 28 03| 70 | 30.04 | 1.991 
re Road summit, ridge weat we Johnson's, tt Loy anaes = 592 
285 Boreas River brid - wi 28.01 | 73 | 30.02 | 2.026 
a Hudson River bridge, Punts 12,30 Pp, m.| 78 | 28.19} 79 | 29.95 | 1.810 
“ Lake Sanford inlet, - - - - ‘| 7 |: 28,17 | 78 s 11.826 
i Tron Works at McIntyre, - - - - 4.20 | 76 | 28.11} 77 "1 1,889 
il Lake Henderson outlet, - - - : 4.40 175 '28.061 76 « 11.936 
It appears from the above that the two seek depressions in 
the section of country over which this road passes, west of the 
Schroon valley, is in one case two thousand and in the other eigh- 
teen hundred feet in elevation. 
Second Expedition to the Mountains. 
We left the settlement on the 3d of August, with five woodsmen 
as assistants, to take forward our provisions and other necessaries, 
and commenced our ascent to the higher region in a northeasterly 
direction, by the rout on which we returned last year. We reached 
our old camp at Lake Colden at 5 P. M. where we prepared our 
quarters for the night. The mountain peak which rises on the east- 
ern side of this lake and separates it from the upper valley of the 
main stream of the Hudson, has received the name of Mount Mc-: 
Martin, in honor of one now deceased, who led the party of last 
year, and whose spirit of enterprise and persevering labors contrib- 
uted to establishing the settlement at the great Ore Beds, as well 
as other improvements advantageous to this section of the state. 
* Four hundred and ninety eight “es! — Lake cw ms 
t Seven hundred and ninety feet a 
+ Mean of the two setts of eaves two some feet, nearly. 
