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Lafferty Communities Oakwood Shores – Area 1 12921.000.003 Modified Phase I Environmental Site Assessment Page | 4 May 28, 2021 presented in a Title Report can vary greatly by jurisdiction. As a result, ENGEO utilizes a Title Report, when provided to us, as a supplement to other historical record sources. A Preliminary Title Report for the Property, prepared by Old Republic Title Company and dated April 21, 2020, was provided for our review. The Property title is vested in Beck Properties, Inc., a California corporation. No references to environmental liens, deed restrictions or other potential environmental issues were noted. This report is included in Appendix B. 2.2 HISTORICAL RECORD SOURCES The purpose of the historical record review is to develop a history of the previous uses or occupancies of the Property and surrounding area in order to identify those uses or occupancies that are likely to have led to RECs on the Property. 2.2.1 Historical Topographic Maps/Aerial Photographs/Sanborn Maps Historical USGS topographic maps, aerial photographs, and Sanborn Fire insurance maps were reviewed to determine if discernible changes pertaining to the Property had been recorded. EDR provided the following maps and photographs, presented in Appendices C and D. Sanborn Fire Insurance maps were not available for the Property. A copy of the Sanborn Map search report is presented in Appendix E. TABLE 2.2.1-1: Historical Review Summary HISTORIC MAP/PHOTOGRAPH YEARS Topographic Maps 1915, 1952, 1968, 1976, 1987, 1994, 1996, 2012 Aerial Photographs 1937, 1940, 1957, 1963, 1968, 1975, 1982, 1993, 2006, 2009, 2012, 2016 Sanborn Maps N/A In the 1937 aerial photograph, the Property and land to the north and west are utilized for agricultural purposes and contains possible hay windrows or row crops. Land south of the Property is vacant and densely vegetated. In the 1946 photograph, a graded pad just south of the Property is visible, and by 1957, a residential dwelling has been developed on the graded pad. Since at least 1963, the Property has been utilized for row crops. Unpaved roads that traverse the Property from east to west are visible in the 1975 aerial photograph. In the 1975 aerial photograph and 1976 topographic map, a lake is visible northwest of the Property. The 1976 topographic map indicates a cluster of buildings have developed south of Weatherbee Lake and south of the Property, and a residential community has been developed southwest of the Property. In the 1982 aerial photograph, the lake bed appears to have been expanded to the east but appears dry. Recreational vehicle parking has been expanded to the north and within the western half of the Property. By the 1993 aerial photograph, the vegetation on the western half of the Property is dense. By 2006, all vegetation has been cleared from the Property and a water tank is present to the east of the Property. Based on our review of previous geotechnical exploration reports, we understand that vegetation was cleared during mass grading operations on the Property and adjoining parcels to the north, east, and west, as part of the master-planned Oakwood Shores