GOLD COIN PLACER Gould-Stemple District (Stemple). Lewis & Clark County. Minerals Yearbook 1935 Sta. App. Page 169. Principal producers of placer gold in district. (On upper Poorman Creek west of Wilborn).
WPA, "Gold Coin Placer" (1935). Minerals Yearbook, All. 627.
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Gold Coin Placer, Gould-Stemple District, Lewis & Clark County, Poorman Creek, gold