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Phase 1B Underwater Archaeological Report for the Onondaga ...

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FINAL<br />

<strong>Phase</strong> IB <strong>Underwater</strong> <strong>Archaeological</strong> Resources <strong>Report</strong> <strong>for</strong> <strong>Onondaga</strong> Lake Superfund Site<br />

Anomaly 47: Pipeline<br />

Anomaly 47 Summary Table<br />

Anomaly Identification Pipeline<br />

Remedial Impact<br />

Dredge and Cap<br />

NRHP Eligibility<br />

Unevaluated<br />

Recommendation<br />

Anomaly Dataset<br />

Side Scan (2005)<br />

No<br />

Magnetometer (2005) 899, 896, 873, 871, 405, 404, 401, 402<br />

Side Scan (2010) 6/2/10<br />

Sector Scan (2010) 6/7/10<br />

ROV (2010) 6/10/10<br />

Diver Observations No<br />

Diver Videography<br />

No<br />

Maps/Charts<br />

Yes<br />

Aerial Imagery<br />

Yes<br />

Historic Accounts<br />

No<br />

Research Results<br />

A47 was confirmed visually to be a 12 inch (30.5cm) diameter cast iron pipe running perpendicular to<br />

shore. The pipe is likely <strong>for</strong> draining leachate out of <strong>the</strong> onshore waste deposit.<br />

Figure 85. Magnetic intensity map of <strong>Onondaga</strong> Lake showing A47.<br />

Recommendations<br />

LCMM recommends no fur<strong>the</strong>r work <strong>for</strong> A47.<br />

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