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

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FINAL Phase IB Underwater Archaeological Resources Report for Onondaga Lake Superfund Site Anomaly 7: Piling Clumps Anomaly 7 Summary Table Anomaly Identification Piling Clumps; NY Site Number 06740.012295 Remedial Impact Dredging and Capping NRHP Eligibility Eligible as Contributing Property to Syracuse Maritime Historic District Recommendation Anomaly Dataset Side Scan (2005) 130, 169, 150, 191, 202 Magnetometer (2005) 819, 795, 220, 809, 794, 731 Side Scan (2010) 6/3/10 Sector Scan (2010) 6/5/10 ROV Video Footage (2010) None Diver Observations No Diver Videography No Maps/Charts Yes Aerial Imagery Yes Historic Accounts No Research Results Anomaly A7 was identified from aerial images and the 2005 remote sensing survey (Figure 48). The anomaly is a series of six piling clumps marking the entrance into Syracuse’s inner harbor. The clumps consist of between three and ten pilings driven into the lakebed and held together with cables and/or iron bands. The clumps are visible above the surface, and were documented with side scan sonar, sector scan sonar and photographs (Figure 49 and Figure 50). Analysis of historic navigational charts suggests that this channel was first marked with two lighted aids to navigation between 1915 and 1926, and an additional set of piling clumps was installed between 1937 and 1942. 134 The 1952 navigational chart continues to show four piling clumps; however, modern charts show the six that currently exist. Statement of Significance In 1993, the New York State Office of Parks, Recreation and Historic Preservation evaluated the New York State Canal System and found it to be eligible for the NRHP (see Appendix 5). 135 This resource evaluation found the New York State Canal System to be the most extensive canal system in North America. It is of national significance for the roles it played in the growth and development of New York State, the upper Midwest, and the nation. Contributing properties (assuming adequate integrity) include any canal-related feature including, but not limited to, built engineering features, navigational aids, maintenance fleets, boat wrecks, and terminals and/or structures associated with the canal whether publicly or privately constructed or owned. Although it is unlikely that anomaly A7 meets the minimum 50 year threshold for a contributing property to the NHRP, these pilings are a contemporary extension of historic transportation facilities and aides to navigation which were routinely replaced. This taken into account with A7’s location within the Syracuse Maritime Historic District, LCMM recommends that A7 is a contributing property to this District. 69
FINAL Phase IB Underwater Archaeological Resources Report for Onondaga Lake Superfund Site Figure 48. Canal entrance related structures creating Anomaly 7 (courtesy Microsoft® Virtual Earth). Figure 49. Photographs showing the piling clumps which comprise A7 (LCMM Collection). 70
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Phase 1B Underwater Archaeological Report for the Onondaga ...

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