| Lat / long: | 44.39386, -104.09029 |
| Primary: | Stone, Crushed/Broken |
| Operation type: | Surface |
| Development status: | Occurrence |
| MAS | 560110207 |
| DEP | 10181720 |
| Reference | {Deposit:: CLAIMS LOCATED ON BULL HILL, SOME IN SEC 19,29}{Deposit:: NEPHELINE-SYENITE EXPOSED ON HIGHER SLOPES & RIDGE BULL HILL}{Deposit:: MINERALS INCL: NEPHELINE,ORTHOCLASE,ALBITE,HORNBLEND,SPHENE}{Deposit:: WYO GEOL SURV BULL #50 1966 PAGE 137} |
| Reporter | South Dakota School of Mines |