April 1909. Monterey Blvd near Detroit Street, looking east. Workers Breaking Ground for New Tracks. Image courtesy SFMTA. sfmta.photoshelter.com

April 1909. Monterey Blvd near Detroit Street, looking east. Workers Breaking Ground for New Tracks. Image courtesy SFMTA. sfmta.photoshelter.com

April 1909. Monterey Blvd near Detroit Street, looking east. Workers Breaking Ground for New Tracks. Image courtesy SFMTA. sfmta.photoshelter.com

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