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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 80: Unidentified<br />

Anomaly 80 Summary Table<br />

Anomaly Identification Unidentified<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) 984, 992, 1249<br />

Side Scan (2010)<br />

No<br />

Sector Scan (2010)<br />

No<br />

ROV (2010)<br />

No<br />

Diver Observations 6/28/11<br />

Diver Videography<br />

No<br />

Maps/Charts<br />

No<br />

Aerial Imagery<br />

No<br />

Historic Accounts<br />

No<br />

Research Results<br />

Anomaly 80 was investigated by a diver in 2011. The area is filled with metallic trash which hindered <strong>the</strong><br />

diver’s ability to pinpoint <strong>the</strong> original anomaly. There is a clear depression in <strong>the</strong> lake bottom. This<br />

location is in <strong>the</strong> approach to <strong>the</strong> Syracuse Inner Harbor, and is likely a place where navigation aids<br />

would be placed. It is very likely that <strong>the</strong> bottom depression was caused by a mooring from a <strong>for</strong>mer<br />

navigational marker. The metallic signature is likely from debris associated with <strong>the</strong> marker.<br />

Recommendations<br />

LCMM recommends no fur<strong>the</strong>r work <strong>for</strong> A80.<br />

149

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