数据链接：
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资源简介：
1921～1925年山地道路修筑情形
应用场景：
创建时间：
2005-09-01
相关数据集
Arroyo Seco Parkway, State Route 205, looking south from Orange Grove, Los Angeles County, 1941
Photograph (engineering notebook photoprint) of the Arroyo Seco Parkway, State Route 205, looking south from Orange Grove Avenue, Los Angeles County. Also visible are: on and off ramps, embankments, g
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View looking west on Valley Boulevard from a point two-hundred feet east of the Southern Pacific Railroad crossing after improvement, ca.1930-1960
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VPRS 21036 Tramcar Fleet Plans
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View along the Arroyo Seco Parkway, State Route 205, looking west from Arroyo Drive bridge, Los Angeles County, 1941
Photograph (engineering notebook photoprint) of the Arroyo Seco Parkway, State Route 205, looking west from Arroyo Drive bridge, Los Angeles County. Also visible are: Arroyo Seco (river), automobiles,
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VPRS 1128 Outward Letter Book, Road Engineer Geelong
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