U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National MapArchived 2012-03-29 at the Wayback Machine, accessed March 16, 2011
"Verdugo Wash". Verdugo Wash. Archived from the original on October 1, 2023. Retrieved February 2, 2024.
web.archive.org
U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National MapArchived 2012-03-29 at the Wayback Machine, accessed March 16, 2011
"Verdugo Wash". Verdugo Wash. Archived from the original on October 1, 2023. Retrieved February 2, 2024.