Clough & Associates Ltd. Page 17 Union Hill Heritage Management Plan THE HERITAGE REMAINS Description of Heritage Remains Today there are still extensive and significant remains of the 19th and early 20th century mining and processing industry on Union Hill, despite the modifications of the 1970s and 1980s. The remains are set among regenerating native forest interspersed with exotics (pine and wattle trees). The heritage area is accessed from Barry Road along a vehicle track/road alongside and to the south of the WGCL conveyor, and the heritage remains are accessible to a varying extent from a walkway and between Barry Road and Clarke Street, and from existing vehicle access tracks (see Figure 5, below). The most impressive and visible features are the 1909-10 cyanide tanks, the ore roasting kilns and the foundations of the battery itself, but there are a range of other structures and features including a melt house and refinery safe, strongroom and smoke chamber, mine shafts, drives and adits and mullock heaps (dumps of excavated waste rock). Most of the heritage remains on the WGCL and LINZ properties were mapped and recorded in 2004 as part of a heritage assessment prepared by Clough & Associates (Clough, Best & Hooker 2004). Measured plans and section drawings of the main features were prepared at the time, and the features were surveyed in by WGCL surveyors These have been incorporated into the Conservation Plan, with some additional details identified and added to the plans. Other unidentified features are likely to be present, either buried under soil/tailings or concealed by vegetation. Table 2 below provides an inventory of the known heritage remains, as referred to in the Conservation Plan (further detail on individual features can be found there). The inventory includes the features on properties adjacent to WGCL’s land, and provides a brief description, a photograph (where feasible), and a summary of current condition and accessibility. It should be noted that many of the photographs used in the inventory date back to 2004, when the features were cleared of vegetation for the initial heritage assessment and mapping (Clough, Best & Hooker 2004), as they were generally more visible in 2004 than during December 2012 when reinspected. Figure 3 shows the location of the heritage features identified. Plans of the main heritage features are provided in Appendix A. Continued on next page
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