Colorado Lagoon, the swimming hole locals called Polio Pond: Long Beach, California, in 1920. Coordinates: 33.7719, -118.1340.

Raw States
Showing only
© OpenFreeMap © OpenMapTiles © OpenStreetMap contributors · Imagery: Powered by Esri (Esri, Maxar, Earthstar Geographics), USGS, NASA GIBS · Historic places & battlefields: NPS · © 2026 Canary Street LLC