. A bench scale evaluation of organic substrates for use in constructed wetlands for the treatment of acid mine drainage. Acid mine drainage; Heavy metals; Constructed wetlands; Wetlands. ALUMINUM AMD IRON Column 5. ELAPSED TIME (DAYS) Column 4. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Schafer and Associates; Schafer and Associates; Montana. Abandoned Mine Reclamation Bureau. Bozeman, Mont. : The Associates

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Keywords: ., bhlco, bookcentury1900, bookcollectionamericana, bookleafnumber41