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<br />Soil Investigations for Data Collection in the Delta <br />Initial Study/Proposed Mitigated Negative Declaration 23 <br />Nippon Hospital (NoeHill 2019 a, b, c) in the vicinity of Mokelumne City, are near the <br />Study Area as well. Many of the roadways within the Study Area are characterized by <br />adjacent waterways, riparian corridors, vineyards, rural row-crop agriculture, orchards, <br />irrigated pasture, and Delta islands. <br />3.1.2 Discussion <br />a) Would the project have a substantial adverse effect on a scenic vista? <br /> <br />Less than Significant Impact. The Proposed Project is not expected to have a <br />substantial adverse effect to any scenic vistas within the region due to the temporary <br />nature of the work, and lack of any permanent structures associated with the <br />Proposed Project. While there would be a less than significant impact to scenic <br />vistas, implementation of the following Mitigation Measure would further avoid, <br />minimize and/or reduce potential impacts: <br />MM AES-1: <br />a. Each Impact Area will be returned to as close to pre-activity conditions as <br />possible. <br /> <br />b. No building structures will be removed or disturbed. Soil investigation <br />activities will occur at a distance greater than 100 feet from residences and <br />small business operations. If fencing needs to be removed for access, it <br />would be replaced in kind after the work is completed. <br /> <br />c. No trees or vines will be removed during exploration activities; and only minor <br />disturbances to vegetation would occur during mobilization of equipment. This <br />minor disturbance may consist of mowing, removal of a few tree limbs, or <br />trimming of bushes for site access. However, if access requires removal of <br />any vegetation, the landowner would be consulted first to minimize the impact <br />to both vegetation and the landowner. <br />b) Would the project substantially damage scenic resources, including, but not <br />limited to, trees, rock outcroppings, and historic buildings within a state <br />scenic highway? <br /> <br />Less than Significant Impact. The Proposed Project is not expected to cause <br />substantial damage to scenic resources such as trees, rock outcroppings and <br />historic buildings within a state scenic highway. Within the Study Area, the only <br />scenic highway is SR 160, which is characterized by a discontinuous riparian <br />corridor interspersed with views of the river and small historic towns, such as Locke. <br />The highway crosses the river several times on historic bridges as it winds from <br />Sacramento to the Antioch Bridge. All the land-based borings along SR 160 are <br />planned to be conducted between Clarksburg and Courtland and are not in areas <br />where they would be near enough to historical structures to have any impact. <br />Proposed Project work near Isleton, which does have historic structures, is only