Mine detail: Tilford Mine

Previously called 'Us Gypsum Company Mine'

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Location

Lat / long:

44.3069, -103.4125

Resource(N)

Primary:	Gypsum-Anhydrite
Ore:	Gypsum

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer

Geology

Host rock:	Spearfish Formation-Red Shale And Sandstone
Host type:	Sandstone

References

MRDS	SD02147
DEP	10055564
Reference	{Deposit:: US BUREAU OF MINES, 1954 , BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 1 , BUREAU OF MINES INFORMATION CIRCULAR 7688}{Production:: US BUREAU OF MINES, 1954 , BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 1 , BUREAU OF MINES INFORMATION CIRCULAR 7688 .}
Reporter	Barari, Rachel A.