Alternate namesSpar, Top Sheaf, Jackson Lodes, Custer Group
RegionNA
Data scoreC
Coordinates43.93385, -103.55223
References
US BUREAU OF MINES, 1955 , BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2 , BUREAU OF MINES INFORMATION CIRCULAR 7707US BUREAU OF MINES, 1955 , BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2 BUREAU OF MINES INFORMATION CIRCULAR 7707