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A review of historic USGS mapping showed that little development had occurred within or immediately adjacent to the 2706 and 3009 Pock Lane sites prior to the early—mid 20th century. In the northwest corner of the 2706 Pock Lane site, a building was present since at least 1914. By 1954, multiple buildings were mapped which likely correspond to a residence, double -door garage, and another outbuilding visible on a 1967 aerial photo (the earliest available) and which are still on site today. Topographic mapping and aerials show that a single residential/agricultural complex was situated on the north side of the Duck Creek channel on the 3009 Pock Lane site at least as early as 1954. This complex also appears on the 1967 aerial photos, but it was removed around 2000-2001 under a permit from the County. The field survey confirmed the removal of this complex. Environmental Impacts and Mitigation Measures a) Historical Resources. As noted, no historical resources have been recorded on the project site, and the Solano Archaeological Services field survey found no indication of such resources. The residence and associated buildings on the 2706 Pock Lane site are located outside the planned development area, so the project would not affect these potential historical structures. The project would have no impact on historical resources. b) Archaeological Resources. As noted, no archaeological resources have been recorded on the project site, and the Solano Archaeological Services field survey found no indication of such resources. The 3009 Pock Lane site could potentially exhibit some degree of archaeological sensitivity due to the presence of Duck Creek, as creek channels typically can be highly sensitive areas for exhibiting traces of early Native American activities and habitation. However, historic map research and the field survey indicate that this creek channel alignment has been heavily impacted by agricultural activities over the past century and has been channelized and likely re-routed. The condition of Duck Creek, and the lack of surface evidence for prehistoric occupation, suggests a low level of archaeological sensitivity. However, although unlikely, it is conceivable that ground disturbance activities associated with the project could unearth archaeological materials of significance that are currently unknown. Procedures to address archaeological discoveries if they should occur are set forth in the mitigation measure below. Implementation of this mitigation would reduce potential impacts to a level that would be less than significant. Level of Significance: Potentially significant Mitigation Measures: CULT -1: If any subsurface cultural resources are encountered during construction of the project, all construction activities within 100 feet of the encounter shall be halted until a qualified archaeologist can examine these materials, determine their significance and, if significant, recommend further mitigation measures that would reduce potential effects to a level that is less than significant. Recommended Pock Lane Public Review Draft IS/MND 3-25 May 2022