Lewis County
Deer Creek District
Commodity: copper
This little developed and inactive district is about 16 miles by wagon road or trail from Winchester at the end of a branch of the Camas Prairie Railroad. The lodes are in schistose greenstone, probably a part of the Permian volcanic strata of the region. Much of the area is covered by folded Columbia River basalt, through which granitic rock is locally exposed.
The lodes are fissure veins containing quartz, siderite, calcite, chalcopyrite, molybdenite, and possibly a telluride. Much of the ore in shallow workings is oxidized. In one prospect, the ore is reported to contain about 3 per cent copper and a little gold and silver. In another (the Deer Greek) there is a little copper and about 0.3 of an ounce of gold to the ton. This property has a mill and presumably has had some production.
Nez Perce County
Cave Gulch, Clearwater, Peck Districts
Commodities: copper, gold
These are three small areas on the lower Clearwater River, reported to contain copper and gold lodes. Near Peck the country rook in the river canyon is metamorphosed Belt strata. No further data are at hand. The following references give data on the general region, but not on this district in particular.
The Deer Creek district (above) extends into Nezperce County.
Oneida County
The Blue Jay mine in an unorganized district near Malad is reported to have ore containing lead, copper, gold, and silver. No other data available.
