Black and White Mine (Three Friends Mine), Black and White Lakes, Mount Gladys, Mason Co., Washington, USA
Latitude: 47°34'31"N
Longitude: 123°20'40"W
Section 17 or NW 1/4 of section 21
A Cu,Mn,Ag,Ni,Mg mine
This mine is located by Black and White Lakes on the west slope of Mount Gladys.
It worked 3 lenses along the contact of basalt with Phyllite graywacke.
Developments include a 200' adit, a 40' shaft, and several opencuts and pits.
It produced ore in 1915.
References:
*Huntting, M. (1956): Inventory of Washington Minerals, Part II, Metallic Minerals, Vol. 1
*Cannon, B. (1975): Minerals of Washington, p.56,77,80
*Lasmanis, R. Et Al (1990): Metal Mines of Washington-Preliminary Report
Mineral List
16 entries listed. 12 valid minerals.
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