Water Treatment Protects Downstream Users

Water Treatment Protects Downstream Users (HM2B8G)

Location: Leadville, CO 80461 Lake County
Country: United States of America

N 39° 22.039', W 106° 11.318'

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Inscription
By the time Charles Senter staked his claims on Bartlett Mountain in 1879, the trout were gone from Ten Mile Creek. It had been altered by smelting and mining that took place long before Climax began operations. Today, the trout are back.
Nearly a century of mining at Climax included the placement of nearly half a billion tons of tailings in the Ten Mile Creek drainage. Climax Molybdenum Company has spent tens of millions of dollars to develop a state-of-the-art treatment operation that has improved water quality to a point where anglers are regularly seen catching fish along the Ten Mile's banks.
A lime-precipitation process is used to treat mine wastewater in the tailings ponds. Ten Mile Creek is the only stream significantly affected by mining, even though the headwaters of both the Arkansas and Eagle rivers lie on Fremont Pass. The acidic mine water contains heavy metals like zinc and manganese. Treatment with lime causes the metals to precipitate into a solid form so they don't run downstream.
Colorado Highway 91 has been moved five times, at Climax expense, to expand the tailings ponds. Tens of thousands of trees have been planted to stabilize the re-contoured slopes.
Details
HM NumberHM2B8G
Tags
Placed ByClimax Molybdenum Company & the Federal Highway Administration
Marker ConditionNo reports yet
Date Added Saturday, September 8th, 2018 at 11:01am PDT -07:00
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Locationbig map
UTM (WGS84 Datum)13S E 397606 N 4358213
Decimal Degrees39.36731667, -106.18863333
Degrees and Decimal MinutesN 39° 22.039', W 106° 11.318'
Degrees, Minutes and Seconds39° 22' 2.3400000000001" N, 106° 11' 19.08" W
Driving DirectionsGoogle Maps
Area Code(s)719, 970
Which side of the road?Marker is on the right when traveling South
Closest Postal AddressAt or near 8494 CO-91, Leadville CO 80461, US
Alternative Maps Google Maps, MapQuest, Bing Maps, Yahoo Maps, MSR Maps, OpenCycleMap, MyTopo Maps, OpenStreetMap

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