1400 | ![thumbnail picture](https://webarchive.library.unt.edu/eot2008/20081011200744im_/http://www.photolib.noaa.gov/ths/r00imm25.jpg) |
Tailings area by Richmond portal. This area has been cleaned up and the tailings removed. |
Redding, Shasta County, California November 17, 1994 |
1401 | ![thumbnail picture](https://webarchive.library.unt.edu/eot2008/20081011200744im_/http://www.photolib.noaa.gov/ths/r00imm26.jpg) |
Minnesota flats where the ore was crushed, note Redding California in the background. |
Redding, Shasta County, California November 17, 1994 |
1402 | ![thumbnail picture](https://webarchive.library.unt.edu/eot2008/20081011200744im_/http://www.photolib.noaa.gov/ths/r00imm27.jpg) |
A containment facility or tailings impoundment area. The upper portion of the image shows where the tailings are dumped. |
Redding, Shasta County, California November 17, 1994 |
1403 | ![thumbnail picture](https://webarchive.library.unt.edu/eot2008/20081011200744im_/http://www.photolib.noaa.gov/ths/r00imm28.jpg) |
Brick Flat Pit. This pit was excavated to extract ore and was then used to dispose of sludge, an early and inefficient disposal method. |
Redding, Shasta County, California November 17, 1994 |
1404 | ![thumbnail picture](https://webarchive.library.unt.edu/eot2008/20081011200744im_/http://www.photolib.noaa.gov/ths/r00imm29.jpg) |
A copper plant. One of the early treatment methods. A concrete trough was was filled with metal and then as the mine drainage flowed over it the mine drainage precipitated onto the metal. |
Redding, Shasta County, California April 1979 |
1405 | ![thumbnail picture](https://webarchive.library.unt.edu/eot2008/20081011200744im_/http://www.photolib.noaa.gov/ths/r00imm30.jpg) |
Manton Keswick's Reservoir near Redding, California. Ore loading facility, Iron Mountain. The grey area by the concrete wall is spilled ore. Ore from Iron Mountain Mine was ground up at Minnesota Flats mill and carried over the mountains to wading facility. |
Redding, Shasta County, California November 17, 1994 |
1406 | ![thumbnail picture](https://webarchive.library.unt.edu/eot2008/20081011200744im_/http://www.photolib.noaa.gov/ths/r00imm31.jpg) |
The road leading to Iron Mountain Mine. |
Redding, Shasta County, California November 17, 1994 |
1407 | ![thumbnail picture](https://webarchive.library.unt.edu/eot2008/20081011200744im_/http://www.photolib.noaa.gov/ths/r00imm32.jpg) |
Remedial activities. |
Redding, Shasta County, California November 17, 1994 |
1408 | ![thumbnail picture](https://webarchive.library.unt.edu/eot2008/20081011200744im_/http://www.photolib.noaa.gov/ths/r00imm33.jpg) |
Mucking out the tunnel at Iron Mountain Mine |
Redding, Shasta County, California 1989 |
1409 | ![thumbnail picture](https://webarchive.library.unt.edu/eot2008/20081011200744im_/http://www.photolib.noaa.gov/ths/r00imm34.jpg) |
An image of sludge. The sludge is composed of copper, zinc and iron bound in a carbonate mixture. |
Redding, Shasta County, California November 17, 1994 |
1410 | ![thumbnail picture](https://webarchive.library.unt.edu/eot2008/20081011200744im_/http://www.photolib.noaa.gov/ths/r00imm35.jpg) |
A group wears protective clothing as they enter one of the portals at Iron Mountain Mine. |
Redding, Shasta County, California 1989 |
1411 | ![thumbnail picture](https://webarchive.library.unt.edu/eot2008/20081011200744im_/http://www.photolib.noaa.gov/ths/r00imm36.jpg) |
Inside a portal that was cleaned early in the process. |
Redding, Shasta County, California November 17, 1994 |
1412 | ![thumbnail picture](https://webarchive.library.unt.edu/eot2008/20081011200744im_/http://www.photolib.noaa.gov/ths/r00imm37.jpg) |
The second in a series of images that shows inside of a portal that was cleaned early in the process. |
Redding, Shasta County, California November 17, 1994 |
1413 | ![thumbnail picture](https://webarchive.library.unt.edu/eot2008/20081011200744im_/http://www.photolib.noaa.gov/ths/r00imm38.jpg) |
The third in a series of images that shows inside of a portal that was cleaned early in the process. |
Redding, Shasta County, California November 17, 1994 |
1414 | ![thumbnail picture](https://webarchive.library.unt.edu/eot2008/20081011200744im_/http://www.photolib.noaa.gov/ths/r00imm39.jpg) |
Treatment plant at Minnesota Flats to treat AMD from the Richmond and Lawson Portals. Water raised PH 1 - 11 to ppt sludge. The sludge was hauled to Brick Flat pit. |
Redding, Shasta County, California November 17, 1994 |
1415 | ![thumbnail picture](https://webarchive.library.unt.edu/eot2008/20081011200744im_/http://www.photolib.noaa.gov/ths/r00imm40.jpg) |
Part of the collection system for acid mine drainage. |
Redding, Shasta County, California November 17, 1994 |
1416 | ![thumbnail picture](https://webarchive.library.unt.edu/eot2008/20081011200744im_/http://www.photolib.noaa.gov/ths/r00imm41.jpg) |
Treatment plant at Minnesota Flats to treat AMD from the Richmond and Lawson Portals. Water raised PH 1 - 11 to ppt sludge. The sludge was hauled to Brick Flat pit. |
Redding, Shasta County, California November 17, 1994 |
1417 | ![thumbnail picture](https://webarchive.library.unt.edu/eot2008/20081011200744im_/http://www.photolib.noaa.gov/ths/r00imm42.jpg) |
AMD coming from Iron Mountain Mine, Lawson Portal. |
Redding, Shasta County, California November 17, 1994 |
1418 | ![thumbnail picture](https://webarchive.library.unt.edu/eot2008/20081011200744im_/http://www.photolib.noaa.gov/ths/r00imm43.jpg) |
Containment of sludge coming from Iron Mountain Mine, Lawson Portal. |
Redding, Shasta County, California November 17, 1994 |
1419 | ![thumbnail picture](https://webarchive.library.unt.edu/eot2008/20081011200744im_/http://www.photolib.noaa.gov/ths/r00imm44.jpg) |
Acid mine drainage coming from the top of Iron Mountain Mine. |
Redding, Shasta County, California November 17, 1994 |
1420 | ![thumbnail picture](https://webarchive.library.unt.edu/eot2008/20081011200744im_/http://www.photolib.noaa.gov/ths/r00imm45.jpg) |
Metal sludge from Spring Creek into Keswick Reservoir. |
Redding, Shasta County, California November 17, 1994 |
1421 | ![thumbnail picture](https://webarchive.library.unt.edu/eot2008/20081011200744im_/http://www.photolib.noaa.gov/ths/r00imm46.jpg) |
Cap in the Iron Mountain Mine, Brick Flat pit. |
Redding, Shasta County, California November 17, 1994 |
1422 | ![thumbnail picture](https://webarchive.library.unt.edu/eot2008/20081011200744im_/http://www.photolib.noaa.gov/ths/r00imm47.jpg) |
Acid mine drainage, the orange color is from iron precipitate. Blue indicates copper, the green is algae. |
Redding, Shasta County, California November 17, 1994 |
1423 | ![thumbnail picture](https://webarchive.library.unt.edu/eot2008/20081011200744im_/http://www.photolib.noaa.gov/ths/r00imm48.jpg) |
Metal precipitates taken inside the mine. |
Redding, Shasta County, California November 17, 1994 |
1424 | ![thumbnail picture](https://webarchive.library.unt.edu/eot2008/20081011200744im_/http://www.photolib.noaa.gov/ths/r00imm49.jpg) |
Spring Creek discharge. |
Redding, Shasta County, California November 17, 1994 |
1425 | ![thumbnail picture](https://webarchive.library.unt.edu/eot2008/20081011200744im_/http://www.photolib.noaa.gov/ths/r00imm50.jpg) |
Trucks (perhaps sludge carriers) on Iron Mountain Mine. |
Redding, Shasta County, California November 17, 1994 |
1426 | ![thumbnail picture](https://webarchive.library.unt.edu/eot2008/20081011200744im_/http://www.photolib.noaa.gov/ths/r00imm51.jpg) |
Flume of PH 1 water from portals no longer in use, Richmond and Lawson, at Iron Mountain Mine. |
Redding, Shasta County, California November 17, 1994 |
1427 | ![thumbnail picture](https://webarchive.library.unt.edu/eot2008/20081011200744im_/http://www.photolib.noaa.gov/ths/r00imm52.jpg) |
An ore vein in Iron Mountain Mine, the ore vein in the grey area is a sulfide ore. |
Redding, Shasta County, California November 17, 1994 |
1428 | ![thumbnail picture](https://webarchive.library.unt.edu/eot2008/20081011200744im_/http://www.photolib.noaa.gov/ths/r00imm53.jpg) |
Flat Creek at Keswick Reservoir near Redding, CA. The creek needs additional physical restoration except for copper from Stowell Mine the creek is chemically clean. |
Redding, Shasta County, California November 17, 1994 |
1429 | ![thumbnail picture](https://webarchive.library.unt.edu/eot2008/20081011200744im_/http://www.photolib.noaa.gov/ths/r00imm54.jpg) |
Grey spilled ore at Manton on Keswick Reservoir near Redding, CA. |
Redding, Shasta County, California November 17, 1994 |
1430 | ![thumbnail picture](https://webarchive.library.unt.edu/eot2008/20081011200744im_/http://www.photolib.noaa.gov/ths/r00imm55.jpg) |
Upper Spring Creek above the influence of Iron Mountain Mine; note the normal riparian vegetation. |
Redding, Shasta County, California November 17, 1994 |
1431 | ![thumbnail picture](https://webarchive.library.unt.edu/eot2008/20081011200744im_/http://www.photolib.noaa.gov/ths/r00imm56.jpg) |
Spring Creek , looking into the sun, from Keswick Reservoir near Redding, CA. |
Redding, Shasta County, California November 17, 1994 |
1432 | ![thumbnail picture](https://webarchive.library.unt.edu/eot2008/20081011200744im_/http://www.photolib.noaa.gov/ths/r00imm57.jpg) |
Flat Creek at Keswick reservoir near Redding CA near normal riparian habitat. |
Redding, Shasta County, California November 17, 1994 |
1433 | ![thumbnail picture](https://webarchive.library.unt.edu/eot2008/20081011200744im_/http://www.photolib.noaa.gov/ths/r00imm58.jpg) |
Spring Creek just above Boulder Creek input. The riparian vegetation is normal. |
Redding, Shasta County, California November 17, 1994 |
1434 | ![thumbnail picture](https://webarchive.library.unt.edu/eot2008/20081011200744im_/http://www.photolib.noaa.gov/ths/r00imm59.jpg) |
Spring Creek and Boulder Creek meet, note the change in riparian vegetation. |
Redding, Shasta County, California November 17, 1994 |
1435 | ![thumbnail picture](https://webarchive.library.unt.edu/eot2008/20081011200744im_/http://www.photolib.noaa.gov/ths/r00imm60.jpg) |
Spring Creek, downstream of the Debris Dam. |
Redding, Shasta County, California November 17, 1994 |
1436 | ![thumbnail picture](https://webarchive.library.unt.edu/eot2008/20081011200744im_/http://www.photolib.noaa.gov/ths/r00imm61.jpg) |
Spring Creek Debris Dam Reservoir. |
Redding, Shasta County, California November 17, 1994 |
1437 | ![thumbnail picture](https://webarchive.library.unt.edu/eot2008/20081011200744im_/http://www.photolib.noaa.gov/ths/r00imm62.jpg) |
Rectenwald, Dean Heckathorn, Nick Iadanza at the Spring Creek arm of Keswick Reservoir. The yellowish area under the water is sludge. |
Redding, Shasta County, California November 17, 1994 |
1438 | ![thumbnail picture](https://webarchive.library.unt.edu/eot2008/20081011200744im_/http://www.photolib.noaa.gov/ths/r00imm63.jpg) |
Looking up Spring Creek just above Boulder Creek input. Note the change in the riparian vegetation. |
Redding, Shasta County, California November 17, 1994 |
1439 | ![thumbnail picture](https://webarchive.library.unt.edu/eot2008/20081011200744im_/http://www.photolib.noaa.gov/ths/r00imm64.jpg) |
Spring Creek Reservoir and the Spring Creek arm of Keswick Dam. |
Redding, Shasta County, California November 17, 1994 |
1440 | ![thumbnail picture](https://webarchive.library.unt.edu/eot2008/20081011200744im_/http://www.photolib.noaa.gov/ths/r00imm65.jpg) |
Minnesota Flats; note the Spring Creek arm of Keswick Reservoir in the background. |
Redding, Shasta County, California November 17, 1994 |
1441 | ![thumbnail picture](https://webarchive.library.unt.edu/eot2008/20081011200744im_/http://www.photolib.noaa.gov/ths/r00imm66.jpg) |
This is where Spring Creek enters Keswick Reservoir |
Redding, Shasta County, California May 25, 1988 |
1442 | ![thumbnail picture](https://webarchive.library.unt.edu/eot2008/20081011200744im_/http://www.photolib.noaa.gov/ths/r00imm67.jpg) |
Spring Creek below Iron Mountain Mine |
Redding, Shasta County, California November 17, 1994 |
1443 | ![thumbnail picture](https://webarchive.library.unt.edu/eot2008/20081011200744im_/http://www.photolib.noaa.gov/ths/r00imm68.jpg) |
Spring Creek just above Boulder Creek input. The riparian vegetation is normal. |
Redding, Shasta County, California November 17, 1994 |
1444 | ![thumbnail picture](https://webarchive.library.unt.edu/eot2008/20081011200744im_/http://www.photolib.noaa.gov/ths/r00imm69.jpg) |
Upper Spring Creek below Stowell but above the influence of Iron Mountain Mine. Note the normal vegetation in the riparian zone. |
Redding, Shasta County, California November 17, 1994 |
1445 | ![thumbnail picture](https://webarchive.library.unt.edu/eot2008/20081011200744im_/http://www.photolib.noaa.gov/ths/r00imm70.jpg) |
60,000 cubed yards of sludge (yellowish area) at 1% cu in the Spring Creek arm of Keswick Reservoir. |
Redding, Shasta County, California November 17, 1994 |
1446 | ![thumbnail picture](https://webarchive.library.unt.edu/eot2008/20081011200744im_/http://www.photolib.noaa.gov/ths/r00imm71.jpg) |
Manzanita bush at the base of Iron Mountain Mine along the Spring Creek arm of Keswick Reservoir near Redding, CA. |
Redding, Shasta County, California November 17, 1994 |
1447 | ![thumbnail picture](https://webarchive.library.unt.edu/eot2008/20081011200744im_/http://www.photolib.noaa.gov/ths/r00imm72.jpg) |
Looking downstream from the debris dam at Iron Mountain Mine. |
Redding, Shasta County, California November 17, 1994 |
1448 | ![thumbnail picture](https://webarchive.library.unt.edu/eot2008/20081011200744im_/http://www.photolib.noaa.gov/ths/r00imm73.jpg) |
View upstream from Spring Creek Debris Dam. |
Redding, Shasta County, California November 17, 1994 |
1449 | ![thumbnail picture](https://webarchive.library.unt.edu/eot2008/20081011200744im_/http://www.photolib.noaa.gov/ths/r00imm75.jpg) |
Debris Dam Reservoir, Spring Creek. |
Redding, Shasta County, California 1983 |