. Hydrochemical, vegetational and microbiological effects of a natural and a constructed wetland on the control of acid mine drainage . Mine drainage; Acid mine drainage; Wetlands. CARBONATE MINEX- '/. A WELL SITE O SURFACE WATER SAMPLE SITE O SURVEY CONTROL STATION ]â FLUME O PRECIPITATION GAGE SEC20, TI5N,R6W LEWIS AND CLARK CQ,MONTANA FEET 200 50 METERS Figure 5-10. Shallow piezometric map on 7/27/87 with m contours. 5-4). These values fall within the range of conductivities found in other wetlands studied (Figure 5-4). The range of hydraulic conductivities from the wetland, 1 x 10"
. Hydrochemical, vegetational and microbiological effects of a natural and a constructed wetland on the control of acid mine drainage . Mine drainage; Acid mine drainage; Wetlands. CARBONATE MINEX- '/. A WELL SITE O SURFACE WATER SAMPLE SITE O SURVEY CONTROL STATION ]â FLUME O PRECIPITATION GAGE SEC20, TI5N,R6W LEWIS AND CLARK CQ,MONTANA FEET 200 50 METERS Figure 5-10. Shallow piezometric map on 7/27/87 with m contours. 5-4). These values fall within the range of conductivities found in other wetlands studied (Figure 5-4). The range of hydraulic conductivities from the wetland, 1 x 10"^ to x 10"^ cm/s, compares to the range commonly found for silty sand (Freeze and Cherry 1979). The decrease in conductivity with depth, excluding the deep wells completed in gravel, is a common occurrence when moving from the acrotelm to the catotelm (Chason and Siegel 1986). An argument to account for the small conductivity difference between auger holes and wells is that the tests measured part of the same zones. In viewing the depths of auger holes tested 49. 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 Montana State University (Bozeman, Mont. ). Reclamation Research Unit; Dollhopf, D. J; MSI Detoxification, Inc. [Bozeman, Mont. ? : Montana State Univ. ?]
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