Inscription
The Granite Mountain Mining Company constructed two mills adjoining the mining operation know[n] as the Ruby Shaft. These structures, Mill A and Mill B, housed a total of 70 stamp mills which processed ore. Stamp mills were used to crush the ore so the metal could be separated from the base material by amalgamation of mercury. The stamp mills were very noisy and produced a great deal of dust. The mines and mills all operated six days a week.
When the production of the Ruby Shaft exceeded the capacity of Mills A and B in 1889, the Granite Mountain Mining Company built a mill in Rumsey to handle the additional ore. They named this new operation Mill C.
Details
| HM Number | HMXHM |
|---|---|
| Tags | |
| Marker Condition |   1 out of 10 (1 reports) |
| Date Added | Wednesday, September 3rd, 2014 at 6:17pm PDT -07:00 |
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Locationbig map
| UTM (WGS84 Datum) | 12T E 327240 N 5131683 |
|---|---|
| Decimal Degrees | 46.31670000, -113.24396667 |
| Degrees and Decimal Minutes | N 46° 19.002', W 113° 14.638' |
| Degrees, Minutes and Seconds | 46° 19' 0.12" N, 113° 14' 38.28" W |
| Driving Directions | Google Maps |
| Area Code(s) | 406 |
| Closest Postal Address | At or near 400-402 Contract Mill Rd, Philipsburg MT 59858, US |
| Alternative Maps | Google Maps, MapQuest, Bing Maps, Yahoo Maps, MSR Maps, OpenCycleMap, MyTopo Maps, OpenStreetMap |
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