This series contains 49 glass slides with images of statistical maps of Los Angeles. Some of the slides have titles and concern topics including runaway children; juvenile delinquency and crime; drug addiction; and sexual assault. Other slides do not have titles. The slides are divided into those with dates and those that are undated. Within these divisions, negatives are separated from positives. Some of the slides, including most of the negatives, duplicate the content of the positive slides.