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placed on downstream side of embankment below spillway. <br />Measured: as specified. <br />The installation of the keyway or seep collars could not be <br />verified due to their location in the embankment,~however, <br />as previously mentioned, there was no evidence of cracking, <br />bulging, sliding or seepage anywhere along the embankment. <br />Also, vegetation had taken a strong hold wherever. rip-rap <br />was not present and no erosion problems were encountered. <br />Except for those items impossible to detrmine, such as seep <br />collars and keyway construction, I certify that the sediment <br />pond at Northern Coal Company's Northern #1 Mine has been <br />constructed according to the plans previously mentioned. <br />Prudent state-of -the-art engineering has been employed and <br />the dam is sound, with no current environmental threats or <br />construction problems. <br />~'°~~ <br />Date: ~l% /~~ <br />