Voice: 702-293-8477                     Fax: 702-293-8330

E-mail: ESO@usbr.gov

FTP Site: www.usbr.gov/ftpservices/

Engineering Services Office

Bureau of Reclamation
Lower Colorado Regional Office
Engineering Services Office
P.O. Box 61470 (LC-6000)
Boulder City, NV 89006-1470

Overnight courier/parcel delivery address
Bureau of Reclamation
Lower Colorado Regional Office
Engineering Services Office
500 Fir Street (LC-6000)
Boulder City, NV 89005-2403