Steel plates for Soledad siphon, showing relative size.

car driving through siphon section, two men standing next to siphon section, tents in background

Haiwee By-pass.

men working in canal

Testing concrete slab for cover for Los Angeles Aqueduct.

man on ladder, looking into tank

Sand core of Natomas Levee in course of construction.

Station 245 - looking west along proposed route

"Acton high line. (July 1906)"

1906-07-01

Yuba River gravel bars from hydraulic mining.

Haiwee gateway transition.

man standing over canal

[Men hiking in snow]

Dredge #4 in main canal - Owens Valley.

iced-over canal

1908-11-01

Tunnel in Saugus Division.

entrance to tunnel

1908-12-01

Floor of wastegate at intake.

intake under construction

Rock back of Chatsworth Pk.

North Antelope Valley siphon

"showing trench and arrangement of concrete footing blocks for supporting forms."

Core wall excavation for lower San Fernando Dam, looking west.

Independence Street scene.

houses with fenced yards

1906-11-01

Bird Springs water.

man standing near basin

1907-08-01

Excavating conduit with steam shovel in Mojave Div.

man operating steam shovel

1908-10-01

Volcano near Big Pine.

Boise.

landscape view

Views of desert from Gray Ridge Road.

"(Nov. 1908)"

1908-11-01

Dry Canyon Dam, view northeast from dam

men standing next to covered equipment

Olancha Division near Station 1450, on earthquake fault line

two men standing next to canal

Rickey Ranch north of Independence, looking east.

"(Nov. 1906)"

1906-11-01

Red Rock Canyon.

"(Nov. 1906)"

1906-11-01

Dump cars used for hauling muck from tunnels.

man dumping car, tents in background