Se ee 
C. Whittlesey—Pre-Glacial Channel of Hagle River. 395 
The stream copper was found to lie always next to the rock, 
and not intermixed with the drift material above. It was 
collected most abundantly in the concavities and irregular 
depressions of the floor, but it was not sufficient in amount to 
pay the expense of mining. 
When it was abandoned, the gallery had reached a point 
almost directly underneath the bend of the river, as shown on 
the map. On the surface, directly beyond, was a face of rock 
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nae from the water 15 or 20 feet. The present channel of 
Eagle River below the bend has rocky sides and a rock bottom, 
am “santiet part of which is at least 20 feet higher than the end 
the 
Thes e facts raise the gn Where did this ancient megs 
Wier shaft No. 2, the east wall disappears beneath sand and 
8ravel, which rises from the water leve ree the east bank agi 
90 feet. From shaft No. 2, to the bend, the rock is seen 
P nly on the west side. The branches subsequently 
worked did not Saslbes a vertical face on the east side, like the 
he on the west, but such a one must exist somewhere beneath 
gravel. 
On the north side of the creek, at the bend to the west, an 
adit A, A, was driven in along a vertical wall corresponding in 
