The Secret is Sulphur
A hot spring's color often indicates the presence of minerals. In a clear blue pool, the water is absorbing all the colors of sunlight except one - blue, which is reflected back to our eyes. Here in Emerald Spring's pool, another factor joins with light refraction to give this spring its color. The 27-foot-deep pool (8 meters) is lined with yellow sulfur deposits. The yellow color from the sulfur combines with the reflected blue light, making the hot spring appear a magnificent emerald green.| HM Number | HM1NTB |
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| Tags | |
| Placed By | National Park Service |
| Marker Condition | No reports yet |
| Date Added | Thursday, September 10th, 2015 at 1:01pm PDT -07:00 |
| UTM (WGS84 Datum) | 12T E 523431 N 4952526 |
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| Decimal Degrees | 44.72573333, -110.70411667 |
| Degrees and Decimal Minutes | N 44° 43.544', W 110° 42.247' |
| Degrees, Minutes and Seconds | 44° 43' 32.64" N, 110° 42' 14.82" W |
| Driving Directions | Google Maps |
| Area Code(s) | 307 |
| Closest Postal Address | At or near Unnamed Road, Yellowstone National Park WY 82190, US |
| Alternative Maps | Google Maps, MapQuest, Bing Maps, Yahoo Maps, MSR Maps, OpenCycleMap, MyTopo Maps, OpenStreetMap |
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