PREVFOUSLY RECORDED HISTORIC RESOURCES Buffer
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Attachment 2.H.2 Page 29 of 68 PREVFOUSLY RECORDED HISTORIC RESOURCES M Tabic 4.1: Considered resources within buffer zones as specified in the VDHR Guidelines for Assessing Cm Impacts of Proposed Electric Transmission Lines and Associated Facilities of Historic Resources in the Commonwealth of Virginia for the proposed line. Buffer Considered VDHR ID Site Name (miles) Resources Number National Historic 1.5 029-0056 Woodlawn Landmarks National Register 029-5471 Hollin Hills Historic District Properties (Listed) 1.0 Battlefields None N/A Historic Landscapes Above Resources and: 0.5 National Register None N/A Properties (Eligible) 0.0 (within Above Resources and: ROW) Archaeological Sites None N/A 4-7 Attachment 2.H.2 Page 30 of 68 p PREVIOUSLY RECORDED HISTORIC RESOURCES m p u THIS PAGE INTENTIONALLY LEFT BLANK 4-8 Attachment 2.H.2 Page 31 of 68 p RESULTS OF FIELD RECONNAISSANCE w p y 5 RESULTS OF FIELD RECONNAISSANCE m a In accordance with the VDHR guidelines for assessing impacts of proposed electric transmission lines on historic properties, each NHL located within 1.5 miles of the proposed project, all historic properties listed in the NRHP, battlefields, and historic landscapes located within 1 mile of the proposed project, and all previously recorded historic properties determined to be eligible for listing in the NRHP were field verified and photo documented. The results of the field reconnaissance for each resource are summarized below. Woodlawn Plantation (VDHR #029-0056) Designed by Dr. William Thornton, Woodlawn was completed in 1805 as a five-part Palladian plan mansion exhibiting elements of the Georgian and Federal styles. It is a symmetrical, two story brick, jerkin-roof double pile center hall central block structure with four interior end chimneys flanked by one and one-half story wings connected by one and one-half story hyphens. As early as the 1890s, it was clear that the site was considered an important historical landmark worthy of preservation. The resource was listed in the NRHP in 1970, and in 2011 its boundaries were increased. It is considered nationally important under Criteria A, B, and C. In 1998, it became a NHL under Criteria 1, 2, and 4. £? The Woodlawn property encompasses 126 acres west of Jeff Todd Way/Mt. Vernon Memorial Highway and spanning Richmond Highway. Elements contributing to Woodlawn include the Mansion, Smokehouse, Dairy, Necessary, Ice House site, and Well House. While contributing to. the historic viewshed of the property and demonstrative of the evolution of the site, the parcel on the south side of Route 1 has been altered from its original appearance after 1951; the structures on this portion and activities that take place there are not relevant to Woodlawn's role as a museum. A non-contributing building on Woodlawn's property that is significant in its own right is the Pope-Leighey House. Designed by Frank Lloyd Wright, the 1940 house was relocated from Falls Church to Woodlawn in 1964 when it was threatened with demolition by the construction of I- 66. The mansion sits atop Grey's Hill overlooking the Potomac River and Mount Vernon, approximately three miles southeast. Atop the hill, formal gardens, curved drives and walkways are situated west of the house. East of the mansion, the land slopes down in a series of terraces to a large grass field. Forested land to the mansion's south, east (below the field) and northeast block views of Route I and Jeff Todd Way/Mt. Vernon Memorial Highway. The Pope-Leighey House is set within this forested land to the northeast of the Woodlawn, out of view. The northern third of the property is within 1.5 miles of the proposed Belvoir-Gum Springs 230kV transmission line rebuild project. While modem development has occurred all around the property, the closest of which is just northwest, mature vegetation and forested land creates a buffer for Woodlawn obscuring views of it. The plantation is surrounded by mature trees with some gaps in the tree cover to the southeast of the mansion. The proposed Belvoir-Gum Springs 5-1 Attachment 2.H.2 Page 32 of 68 P RESULTS OF FIELD RECONNAISSANCE W ^ hJ 230kV transmission line rebuild is located northeast of the mansion. Likewise, the Pope-Leighey ^ House is nestled among mature trees completely obscuring views outside of the property. ^ a A photo simulation from Woodlawn Plantation was produced by GTTE LLC. Various points of ^ the property were explored to assess the potential for ground level views and from each of the two balconies located on the second floor of the property. Figure 5-1 depicts the Woodlawn boundaries in relation to the Belvoir-Gum Springs 230kV transmission line. Figure 5-2 illustrates photo directions of the resource and towards the proposed Belvoir-Gum Springs 230kV transmission line rebuild. Plates 5-1 through 5-5 illustrate the property and current views of the historic resources. A photo simulation was created from the clearing east of the mansion (Figures 5-3 and 5-7). Given the presence of established mature vegetation, topography, and distance to the project ROW, there were no locations identified from which the new power lines would be visible. It is therefore D+A's opinion that the proposed Belvoir-Gum Springs 230kV transmission line rebuild will have no impact on Woodlawn. Figure 5-1: Map illustrating the location of Woodlawn Plantation (green) within 1.5 mile (dotted blue) of the Belvoir-Gum Springs 230kV transmission line ROW (light blue). Source: VCRIS 5-2 Attachment 2.H.2 Page 33 of 68 H* RESULTS OF FIELD RECONNAISSANCE W p Figure 5-2: Aerial image illustrating Woodlawn Plantation (green) in relation to Bclvoir-Gum Springs 230kV transmission line ROW (light blue). Plate locations and directions shown in yellow. Source: VCRIS 5-3 Attachment 2.H.2 Page 34 of 68 H RESULTS OF FIELD RECONNA ISSANCE ^ Plate 5-1: Woodlawn Plantation, view northeast. Plate 5-2: View northeast from Woodlawn Plantation towards Belvoir-Gum Springs 230kV transmission line. 5-4 Attachment 2.H.2 Page 35 of 68 RESULTS OF FIELD RECONNAISSANCE Plate 5-3: View northeast from Woodlawn Plantation towards Bclvoir-Gum Springs 230kV transmission line. Plate 5-4: Pope-Leighey House, view northeast 5-5 Attachment 2.H.2 Page 36 of 68 RESULTS OF FIELD RECONNAISSANCE ^V1 Plate 5-5: View northeast from Pope-Leighey House towards Belvoir-Gum Springs 230kV transmission line. • t'i',, J-"-1 ' s ^ a* •'V .y iS-r \ • .... • : V- • '• :V- JV / - ^ EBbmw-' - X Figure 5-3: Viewshed from Woodlawn Plantation to the proposed Belvoir-Gum Springs 230kV transmission line rebuild towers that will be increased in height. Source: GTTE LLC 5-6 Attachment 2.H.2 Page 37 of 68 RESULTS OF FIELD RECONNAISSANCE Viewshed towards Belvoir- Gum Springs 230kV Transmission Line Iwoodiawn PianlatlonE € DPhoto fccotbnl Pboro iocatioo \ Belvoir-Gum Springs 230kV Transmission Line not visible Belvoir-Gum Springs 230kV Transmission Lino visible Figure 5-4: Woodlawn Plantation, location of photo simulation. Source: GTTE LLC Attachment 2.H.2 Page 38 of 68 p RESULTS OF FIELD RECONNAISSANCE m p 0 0 a THIS PAGE INTENTIONALLY LEFT BLANK 5-8 Attachment 2.H.2 Page 41 of 68 Attachment 2.H.2 Page 42 of 68 p & m s 1 C/D Attachment 2.H.2 Page 43 of 68 ^ Results of Field Reconnaissance F3Yl w (jj Hollin Hills Historic District (VDHR 029-5471) ^ Hollin Hills Historic District is a residential neighborhood within a 326-acre wooded landscape <§3 in southeast Fairfax County. The collaboration of architect Charles M. Goodman, @ developer/builder Robert C. Davenport, and landscape architect Lou Bernard Voigt resulted in a ^ subdivision that married modern houses with the existing topographical patterns of the landscape. Amid the irregular lots are modem dwellings with floor to ceiling windows, shallow pitched roofs, and open floor plans, which flow into exterior decks or patios. Construction of the subdivision began in 1946 and continued until 1971. In 2013, the resource was listed in the NRHP under Criteria A, C, and G as being of both state and nationally import. The design of the Hollin Hills neighborhood followed the natural topographical contours, preserved trees where possible, and created park areas along natural watercourses. The result is a rolling, heavily wooded neighborhood with ground hugging homes. The district is irregularly shaped between Sherwood Hall to the south, Paul Spring Road to the north, Hollin Hills Wildlife Sanctuary to the west and Fort Hunt Road to the east and has 476 contributing buildings and structures. The land surrounding the neighborhood is heavily developed with residential and commercial buildings; however, once inside the neighborhood the view and sound of its surroundings are heavily obstructed by natural vegetation. Figure 5-8 depicts Hollin Hill Historic District in relation to the Belvoir-Gum Springs 230kV transmission line. Figure 5-9 illustrates photo directions within the district and towards the proposed Belvoir-Gum Springs 230kV transmission line rebuild. Plates 5-6 through 5-11 illustrate the property and current views of the historic resources. Because of the immense amount of mature vegetation within and around the historic district, no photo simulations were completed. At the district's closest point, it is approximately 0.75 miles east of the existing Belvoir-Gum Springs 230kV transmission line. The towers at the east end of the line will actually be decreasing in height. Towers that are increasing in height are approximately 0.90 miles west of the district. Though these towers will be increasing in height, their view will be heavily obscured from the district by distance, the immense amount of mature vegetation inside and outside of the district, and modem development west of the district.