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City of Pleasanton—Hidden Canyon Residences and Preserve Draft EIR Cultural Resources and Tribal Cultural Resources FirstCarbon Solutions 3.4-7 https://adecinnovations.sharepoint.com/sites/PublicationsSite/Shared Documents/Publications/Client (PN-JN)/2148/21480016/EIR/3 - Draft EIR/21480016 Sec03-04 Cultural-Tribal Cultural Resources.docx residential subdivisions were built in the Pleasanton area starting in the 1950s as improvements to US-50 made commuting easier to Oakland or other cities of the East Bay. During the 1970s and 1980s, Pleasanton became one of the fastest growing areas in the Bay Area as many new subdivisions, two large business parks and a regional shopping center were built in the area. Development continues; Pleasanton, now a major suburban office/residential community at the southern end of the "680 Corridor," has a population of over 82,000. The project includes a segment of Devaney Canyon, a canyon “named for Michael Devaney, a native of Ireland and a farmer and stock raiser, who settled near the mouth of the canyon in 1858.” Summary Historic Map Review Higley's 1857 Official Map of the County of Alameda shows “Dougherty & Glaskin” (e.g., the location of the future City of Dublin). In addition, a road is mapped through Hayward Pass (not labeled) onward to “R. Livermore” that conforms to the present-day I-580 corridor and a north–south road that conforms to the current Foothill Road are shown. Thompson and West's 1878 Official Historical Atlas Map of Alameda County shows both roads and notable cluster of dwellings in/around “Dublin.” At the time, the northern Shriner parcel was owned by the “Est of M. Evans” and included a structure while the Lester property was owned by M. Devaney. His 240 acre property included the NE ¼ of Section 10 of T3S R1W and part of the NW ¼ of Section 11 with a structure within the far eastern part of the Lester property just south of Dublin Canyon Road on the south side of the intermittent creek within Devaney Canyon. The 1880 Oakland Tribune's Map of Alameda County does not include the property owners of the project. Roads are shown through “Hayward Pass” (e.g., I-580/Dublin Canyon Road) and another north/south from Dublin (e.g., Foothill Road). The intermittent creek within Devaney Canyon is also mapped, but not labeled. The quality of the map is poor, but it suggests that the structure within the Lester property was still present. Weber’s schematic 1914 Map of Alameda County, California provides minimal information for the study area. “Hayward Pass” west of the I-580/Dublin Canyon Road corridor and north/south Foothill Road from “Dublin” are present. The alignment of the “Western Pacific R.Y”/”Sou. Pac. R.R.” is shown through “Pleasanton” (with a few structures adjacent) southeast of Dublin as well as through the town/city grid of “Livermore.” The intermittent creek within Devaney Canyon is not shown. The 1906 USGS Pleasanton topographic quadrangle map, shows “Haywards Pass” and “Dublin Doughtery P.O.,” the two major road corridors through the study area that conform to present-day I- 580 and Foothill Road and an unpaved road on the south side of Devaney Creek. The Evans structure in the Shriner parcel and the possible structure in the far eastern part of the Lester property appear to be shown along with three others—one north of the creek and three south of the creek north of the unpaved road. The 1943 US War Department Pleasanton topographic quadrangle map, relying on 1937 aerial photography, shows US-50 (labeled) through “Hayward Pass” and appears to show the same feature location as in the 1878 and the earlier USGS 1906 (surveyed in 1904) topographic quadrangle within