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LKA International Inc. <br />Golden Wonder/ Level 6/ Hydrologic Setting Executive Summary <br />below the waste rock within the underlying native alluvium. It was at this depth that each <br />well was developed with the placement of the slotted segment in order to obtain water <br />from only the water yielding formation (thereby providing a depth-specific water sample, <br />rather than a depth-integrative sample). Water samples were then obtained from each <br />well once the wells had equilibrated (approximately 2 weeks). An additional set of <br />samples were obtained in October, 2008 in order to capture temporal effects. The results <br />from the piezometer wells identified an underlying alluvium-related groundwater layer. <br />The chemical content results of the solids analysis validated the geologic assessment of <br />the core, and could be used to identify the distinct rock formation types by depth. The <br />results of the chemical analysis indicate there has not been any water transport of waste <br />rock related constituents into the underlying alluvium. There was neither an enrichment <br />of metals, nor a consumption of buffering capacity observed in the core results which are <br />tracers indicating a flow pathway has occurred. The results of the underlying alluvium <br />solids were compared to other alluvium samples and found to be similar. <br />The waste rock toe seep water represented the `release point' from which to determine <br />the possible sources. The water quality at the seeps contains indicators of geologic- <br />formation based sources. The analysis indicated that the water quality is a mix of <br />groundwater types with the predominant groundwater resource being the deeper rhyolite <br />formation, followed by a contribution from the shallower alluvium formation. The most <br />compelling evidence indicating that the waste rock toe seeps are a result of deeper <br />geologic formation water comes from the physical evidence provided by the water levels <br />in the piezometer wells, as well as the water flow rates from the seep and observed <br />underground. The piezometer wells did not encounter water until the well tapped into <br />underlying alluvium. The waste rock lens in the well profiles were both dry. This <br />information indicates that the waste rock is not acting as a `sponge' to water pathways, or <br />lending to acid or mineralized load in the seeps. <br />In summary, the individual components of the potential flow pathways associated with <br />the Golden Wonder Level 6 setting were evaluated in order to determine if a given <br />pathway was complete. Two tentative sources (surface flows from Deadman Gulch and <br />the historic collapse seep adjacent to Deadman Gulch) were explored and found that the <br />surface flows of both these sources are unique to each other and compared to the toe <br />seeps. These sources do not appear to be linked to points along the flow pathway as <br />measured by the piezometer wells. The water encountered in the piezometer wells was <br />III