LODE MINING IN SOUTHEASTERN ALASKA. 61 
other points. The gold is present both native and combined with 
the sulphides, the latter composing but a small percentage of the ore. 
The Young group of claims, generally known as the De Groff mine, 
extends from tide water on the north side of Klag Bay for over 
half a mile up a gulch. The principal workings are at 220 feet eleva- 
tion, where a crosscut 30 feet long undercuts the vein 45 feet in depth, 
and from the end oi this crosscut over 100 feet oi drifting has been 
extended. The vein has also been explored by surface trenches and 
is found to vary from 2 to 7 feet in width. The ore mined has been 
principally from the surface outcrops and masses of quartz float near 
the vein. This has been sorted, sacked, and shipped in several-ton 
lots to the smelter at Tacoma. The ore, however, is a free-milling 
quartz rock, and it is planned to erect a 5-stamp mill on the property 
early in the spring of 1907, and thus save the present shipping and 
smelting expense. 
Just above the Young group to the northwest are die Golden Horn 
and Golden Gate claims, located upon quartz veins similar to the one 
already described. The ore body on the Golden Horn claim has been 
prospected by a tunnel about 40 feet in length, and a vein 3 to 6 feet 
wide is exposed. On the Golden Gate claim the developments con- 
sist of surface cuts exposing a strong fissure vein many hundred feet 
in length. Though the values are found to be low, shoots of rich ore 
are likely to occur. 
Over the divide and down the north slope of the mountain is the Bear 
group of claims. The workings are in a gulch half a mile from Hirst 
Cove and at 440 feet elevation. The quartz vein at this point is but 
a foot in width, though the country rock itself for a few feet on each 
side of the vein is sufficiently mineralized to make ore. In strike the 
vein coincides with the structure of the slate-greenstone schist inclosing 
rock, which trends N. 50° W. A small shipment of the ore was made 
to the Tacoma smelter and the returns were reported as favorable. 
Along this mineral belt, bordering the outer shore of Chichagof 
Island, prospecting should be encouraged. The inaccessibility of 
the valleys and the dense undergrowth present a somewhat formidable 
outlook to the prospector; a careful search, however, within this area 
is undoubtedlyewarranted. 
KETCHIKAN MINING DISTRICT. 
Gold plays but a very minor role in the mining interests of the 
Ketchikan district, and its production has been largely from the cop- 
per ores, which carry from $0.50 to $2 in gold per ton of ore. In this 
section there are apparently no defined lines or zones along which 
gold has been extensively distributed. It is found scattered here 
and there at numerous localities, but at only a few of these have 
developments been extensive. 
