The Broken Alphabet of SF's Westside Streets

On the west side of San Francisco, the streets running east-west follow a bit of a pattern. They seem to be alphabetical, starting in the middle of the Richmond and going south, across Golden Gate Park, and into the Sunset District. Except, there are some anomalies in the pattern. Most of the names seem to be Spanish, but not all, and most of the alphabet is represented, but not all. What's going…