Please contact DWP for assistance. This is not a Library Collection, it is hosted for DWP. ; Researchers may view the collection in person at DWP by appointment only, Monday through Friday, 8am – 3pm. For information and appointments, contact Angela Tatum at (213) 367-8906. ; Photos that are published should properly credit the owner of the photo as “Historical Photo Collection of the Department of Water and Power, City of Los Angeles”.
William Mulholland, the chief engineer for building of the Los Angeles Aqueduct, taken in the field, showing him with the surveying instrument whose use he knew so well.