USGS Mineral Resources Data System
Type: Historical mine record
Supports:
- mine identity
- development status
- commodities
- underground eligibility evidence
Arizona · Pinal County
Unconfirmed Copper Underground 1 mapped shaft
Mindat locality description
A former underground Cu-Ag-Au mine located in the N½ sec. 31, T4S, R13E (Grayback 7.5 minute topo map), about 3¼ miles SE of Grayback. Produced 1937-1948. Claims extend into secs. 25 & 36, T4S, R12E. Operated in 1937-38 by H.R. Scott; explored in 1944 …
USGS historical topographic mapping. Features may no longer exist.
Every underlying record used to build the summary above, for research/verification use.
Unconfirmed
Source records support underground workings, but UndergroundMines has not yet independently verified this mine.
USGS source data documents underground workings for this record.
No community field reports yet.
I Visited This MineType: Historical mine record
Supports:
Type: Historical mapped physical features
Dataset: DOI 10.5066/P9TAALR6
Supports:
Historical mapped features may no longer exist.
Type: Historical mine documents
Record: 1 historical document
Supports:
Historical documentation does not imply current access or open workings.
Type: Mineralogical locality database
Record: Mindat Locality: 68678
Supports:
A Mindat locality match does not by itself establish underground workings.
Arizona · Pinal County
Source Corroborated Copper Producer Underground
Documented adit evidence
Arizona · Pinal County
Mindat Confirmed Copper Producer Underground
Documented adit evidence
Arizona · Pinal County
Unconfirmed Copper Past Producer
Historical mapped workings available
Arizona · Pinal County
Mindat Confirmed Copper Past Producer
Documented adit evidence