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Environment & Resource Conservation <br />306 -A Revere Road / PO Box 8181 <br />Hillsborough, NC 27278 <br />Phone: (919) 245 -2590, Fax: (919) 644 -3351 <br />IkJ1;I►VJ * C : b h� <br />TO: Gwen Harvey, Assistant County Manager <br />FROM: David Stancil, Environment and Resource Conservation Director <br />DATE: April 22, 2008 <br />RE: Potential Environmental Impacts of Greene Tract Use Expansion <br />At the April 8 Board of Commissioners worksession, staff was instructed to assess the <br />environmental impact of expanding activity on the site into an area south of the <br />designated Affordable Housing segment (Tract 2). For purposes of this memo, this area <br />is- referred to as "Possible Tract 2 Expansion Area." <br />ERCD has evaluated this area immediately south of Tract 2. The evaluation is based on <br />ERCD's comprehensive resource GIS database, a site visit, and the findings from two <br />previous surveys of the Greene Tract —a cultural resource survey by TRC Garrow <br />Associates (2000) and a biological resources survey by Robert Goldstein and Associates <br />(2000). This has been augmented by stream buffer information obtained from the Town <br />of Chapel Hill Planning Department <br />The cultural resources survey (TRC Garrow) identified two historic sites that are <br />potentially eligible for the National Register of Historic Places. Those two former home <br />sites are shown on-the attached map (Figure 1) as the Byrd House Site and the Potts <br />House Site. The survey recommended that any land disturbing or human activities should <br />attempt to avoid these sites and their immediate environs, for possible future <br />archaeological work. However, neither of these sites is within the Possible Tract 2 <br />Expansion Area, and development in the proposed expansion area would not impact <br />either of the two historic sites. <br />The biological resource survey (Goldstein & Associates) identified the proposed <br />expansion area as pine - dominated forest A review of historic aerial photos suggests that <br />this part of the forest is somewhat older than the adjacent Affordable Housing area <br />