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USGS MR 20 (cryptic reference from MRDS file).

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Original EntryUSGS MR 20 (cryptic reference from MRDS file).
Mindat Ref. ID16282006Long-form Identifiermindat:1:5:16282006:9
GUID0
Full ReferenceUSGS MR 20 (cryptic reference from MRDS file).
Plain TextUSGS MR 20 (cryptic reference from MRDS file).

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Reported Sb occurrence [1], Downieville, Downieville Mining District, Sierra County, California, USA

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These are possibly similar items as determined by title/reference text matching only.

USGS folio 2 (cryptic USGS MRDS file reference).
USGS folio No. 2 (?)(cryptic USGS MRDS file reference)
Report State Min p. 445, CJMG (cryptic reference from USGS MRDS database file)
2 REPT ST MIN P 96. (Cryptic reference from USGS MRDS database file)
REPT 4,P 136 (?) (cryptic reference in USGS MRDS file).
Report, pages 422-423 (cryptic reference in USGS MRDS database file)
015; #027-028; AND R #001-. (???) (cryptic, incomplete segment of reference from USGS MRDS database file).
Calif. Div. Mines map sheet 7, 1966, p. 8 (text). (Incomplete and cryptic reference from the USGS MRDS database file)
235 (?) (cryptic partial reference in USGS MRDS database)
USGS Professional Paper 15_ ??? (cryptic, incomplete reference in USGS MRDS database)
REPT 312 (Cryptic reference in MRDS file.)
 
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