| | Journal (article/letter/editorial) | JANUARY-FEBRUARY,1967 SILVER-BEARING BLACK MINING D. F. HEWETT CALCITE DISTRICTS AND A. IN .... Tybo district, Nye County,Nevada ................................... Pioche, Lincoln County, Nevada.................................. Ophir district, Tooele County,Utah ..................................... San Franciscodistrict,Beaver County,Utah ........................... Tombstonedistrict, CochiseCounty...Arizona .......................... Lake Valley, Sierra County,New Mexico ............................. Review | | | Report (issue) | listed on pages A259-A264. Numerous Federal, State, county, and municipal agencies listed on pages A211-A215...__________ New England ___ _--._--______________ New York-____ __ _____________________ New Jersey__________...-------Arizona ___- -_-__---_----------------New Mexico---.-----------------------Texas.---______-____-___--__-_-_-_-...Mississippi embayment _ New England and eastern New York ______________ Eastern New York__________________________...___ Maine__ ___________________________________ New Hampshire.___________________________ Massachusetts |
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