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Historic American Engineering Record, [https://tile.loc.gov/storage-services/master/pnp/habshaer/ca/ca2700/ca2755/data/ca2755data.pdf Arroyo Seco Parkway] (PDF), page {{{1}}}
Historic American Engineering Record, [https://tile.loc.gov/storage-services/master/pnp/habshaer/ca/ca2700/ca2755/data/ca2755data.pdf Arroyo Seco Parkway] (PDF), page {{{1}}}