Photograph of the area around the Eagle-Pichers Mine, Picher, Oklahoma. North view from roadway showing well-established vegetation on active slimes pond dam. The principal grass grown is Bermuda. A chat pile [i.e., waste rock from lead-zinc mining containing lead-contaminated dust] is in the background. OK-2769-7.

Photograph of the area around the Eagle-Pichers Mine, Picher, Oklahoma. View of a chat pile, the remains after lead and zinc has been extracted from hard rock during grinding and flotation. Note the erosion of the pile. This material covers some 5,000 acres in Ottawa County. Wind and water move this finely ground rock to adjacent areas. OK-2769-11.

Photograph of the Eagle-Pichers Mine area, at Picher, Oklahoma. Showing slimes ponds and chat piles. North view from roadway showing well-established vagetation on active slimes pond dam in Commerce, Oklahoma.. The principal grass is Bermuda. Chat pile in the background. OK-2769-7.

Photograph of the area around the Eagle-Pichers Mine, Picher, Oklahoma. Slimes Pond Evaluation of plantings in Commerce, Oklahoma. Filed 6 of field trial on slimes pond. This field consists of unmulched woody species of plantings. Note the seeding growth at this date. Trees received no fertilizer. OK-2768-14.

Photograph of the area around the Eagle-Pichers Mine, Picher, Oklahoma. Slimes Pond Evaluation of plantings in Commerce, Oklahoma. Field # 6 of a field trial on Slimes Pond. This field is an unmulched woody species of plantings. Note the seedling growth at this date. The trees received no fertilizer. OK-2768-14.

Photograph of the area around the Eagle-Pichers Mine, Picher, Oklahoma. Drifts of silica. Blow sand from the abandoned Slimes Pond about 160 acres in size lying immediately east of the central mill. Plantings were made along the south side of this area in the fall and spring of 1966 – 1967. OK-2769-6.

Photograph of the area around the Eagle-Pichers Mine, Picher, Oklahoma. Slimes Pond Evaluation of plantings in Commerce, Oklahoma. View facing north in central portion of Field no. 6. Black Locust trees planted on 02-03-1967 without fertilizer nor mulch. OK-2878-26.

Photograph of the area around the Eagle-Pichers Mine, Picher, Oklahoma. Showing drifts of silica-blow sand from abandoned slimes pond about 160 acres in size and lying immediately east of the Central Mill. Plantings were made along the south side of this area in the fall and spring of 1966 – 1967. OK-2769-6.

Photograph of the area around the Eagle-Pichers Mine, with slimes pond evaluation of plantings in Picher, Oklahoma. View facing north in Field no. 1. Native grass plantings seeded into prairie hay mulch. View, and Raymond Magness, is near the center of the plot. OK-2879-15.

Photograph of the area around the Eagle-Pichers Mine, Picher, Oklahoma. Slimes Pond Evaluation of plantings in Commerce, Oklahoma. View facing east along south portion of planting area (Field no. 4). This cheat grass (Bromus spp [= species pluralis]) was planted and fertilized in four rows in late September 1966. OK-2767-6.

Photograph of the area around the Eagle-Pichers Mine, Picher, Oklahoma, here showing the drift effects of wind erosion from slime ponds. Drifts of silicas. They blow sand from the abandoned slimes pond, themseleves about 160 acres in size lying immediately to the east of the Central Mill. Plant materials plantings were made along the south side of this area in the fall and spring of 1966 - 1967. OK-2769-4.

Photograph of the area around the Eagle-Pichers Mine, with slimes pond evaluation of plantings in Picher, Oklahoma. View facing north in field no. 3, near the center of the field. Raymond Magness holds the rod by the sycamore tree planted on 02-03-1967. No ferilizer used, but prairie hay mulch used. OK-2879-16.

Photograph of the area around the Eagle-Pichers Mine, Picher, Oklahoma. County road being affected by silica-blow sand with barrow ditches drifted full. This road borders the north side of an abandoned slimes pond lying immediately east of the Central Mill. OK-2769-9.

Photograph of the area around the Eagle-Pichers Mine, Picher, Oklahoma. A country road being affected by silica-blow sands filling narrow ditches. This road borders the north side of an abandoned slimes pond lying immediately east of the Central Mill. OK-2769-9.

Photograph of the Eagle-Pichers Mine area, at Picher, Oklahoma. A country road affected by silica-blow sand, with barrow ditches full. This road borders the north side of an abandoned slimes pond lying immediately east of the Central Mill. OK-2769-9.

Photograph of the area around the Eagle-Pichers Mine, Picher, Oklahoma. Slimes Pond Evaluation of plantings in Commerce, Oklahoma, showing an active slime pond. The fine ground silica is being discharged in a water solution from a ten-inch diameter pipe. These large pools, generally 100 to 160 acres in size, are diked and used for discharging the fine material left after commercial minerals are removed. OK-2767-14.

Photograph of the area around the Eagle-Pichers Mine, with slimes pond evaluation of plantings in Picher, Oklahoma. View facing northwest in fertilized and mulched portion of Field no. 5. Shows growth of volunteer cottonwood trees in area planted to native grasses. Grass planted and fertilizer applied in prairie hay mulch on MArch 15 - 16, 1967. OK-2879-2.

Photograph of the area around the Eagle-Pichers Mine, with slimes pond evaluation of plantings in Picher, Oklahoma. View facing northwest in mulched border north of Field no. 3. Seeded to a mixture of weeping and sand love grass and mixed bluestem. Seeded on 03-15-1967 and fertilized with 400 pounds of 10-20-10. OK-2879-12.

Photograph of the area around the Eagle-Pichers Mine, with slimes pond evaluation of plantings in Picher, Oklahoma. View facing west in Field No. 4, series 5. English rye grass was seeded on 09-19-1966 unmulched and fertilized at the rate of [unclear]. with rows using either 200 pounds of 10-20-10 fertilizer or 400 pounds of the same. The Road is held by Raymond Magness in the 400 pound row. OK-2878-5.

Photograph of the Eagle-Pichers Mine area, at Picher, Oklahoma. Vegetation of old dyke around slimes pond being affected by wind erosion producing siliceous dust (sand). The dike constructed to hold water and fines [finer particulate metal] from flotation process. The pond eventually fills with fines and is abandoned. The area devoid of any vegetation is subject to severe wind erosion. This picture depicts fines converting willows and cottonwoods on the dike. The spur rairoad must receive perodic fine removal from the railroad. OK-2769-16.

Photograph of the area around the Eagle-Pichers Mine, Picher, Oklahoma. Slimes Pond Evaluation of plantings in Commerce, Oklahoma. View facing north. The southeast portion of the plantings area (Field no. 6). This shows the mulched border along the east side of the unmulched tree plantings--this border was not seeded. Observations will be made on seeding establishment from vegetation along the border of the dam immediately south of this site. OK-2767-1.

Photograph of the area around the Eagle-Pichers Mine, Picher, Oklahoma. Slimes Pond Evaluation of plantings in Commerce, Oklahoma. View facing east from the southwest portion of planting area (Field no. 4). Intermediate wheatgrass planted in late Septmeber 1966. Left row was fertilized with 400 pounds of 10-20-10 fertilizer and the right row at 200 pounds of of 10-20-10 fertilizer at planting time. OK-2767-9.

Photograph of the area around the Eagle-Pichers Mine, Picher, Oklahoma. Slimes Pond Evaluation of plantings in Commerce, Oklahoma. Grass seedlings were mulched with prairie hay that was hand spread following planting at the rate of 3 tons per acre and anchored with a tandem disc from March 15 - 17, 1967. This shows an adequate mulch cover, but demonstrates by the amount of loose hay on the surface that the tandem disc did not properly anchor this mulch. OK-2767-4.

Photograph of the area around the Eagle-Pichers Mine, Picher, Oklahoma. Slimes Pond Evaluation of plantings in Commerce, Oklahoma. View facing east showing the southeast section of area. In the foreground are rows of sod-planted grasses. From right to left are rows of switchgrass, broomsedge, bluestem, American beachgrass and then one row divided among three grasses--blowout grass, plumegrass and giant reed. In the background are tree plantings (Field no. 6) unmulched with a mulch border next to snow fences. OK-2768-16.