Lannan Debris Basin is a basin located in Los Angeles County, California. It appears on the Mount Wilson USGS 7.5-minute topographic quadrangle. The nearest populated place is Sierra Madre, approximately 1.4 miles to the SW.
Los Angeles County · California
Lannan Debris Basin is a basin located in Los Angeles County, California. It appears on the Mount Wilson USGS 7.5-minute topographic quadrangle. The nearest populated place is Sierra Madre, approximately 1.4 miles to the SW.