Colorado Street Bridge from beneath, with an older bridge still standing under it, lower in the Arroyo Seco, Pasadena, ca.1915-1920 

Birdseye view of Scovillis Park in Arroyo Seco, Pasadena, ca.1898 

Arroyo Seco woodland view in Pasadena, showing small creek and trees, ca.1887 

Panoramic view of early Pasadena looking northeast from the Arroyo Seco, 1876 

Wood Howe truss bridge across the Alamo River below Holtville, Imperial County, California, ca.1910 

Pacific Electric Bridge across the Arroyo Seco, near the University of Southern California College of Fine Arts in Garvanza (laterHighland Park), 1907 

Terrace of "Our Italy", Belvora place, overlooking the Arroyo Seco, 1885 

Colorado River Bridge in Yuma, Arizona, ca.1935 

A bridge over the Colorado River at the Needles, ca.1934 

Bridge across the Arroyo Seco at Garvanza, showing the first cable-car to cross it, ca.1895 

Ruins of Manual Garfia's adobe house in Pasadena's Arroyo Seco, 1886 

Arroyo Seco Road in Pasadena, ca.1910 

Bridge across the Colorado River in Blythe, ca.1900-1950 

Arroyo Seco view in Pasadena from Bellvard Place, ca.1890 

Below the Falls in the Arroyo Seco, near Pasadena, ca.1900 

Panoramic view of Pasadena, showing the northern section from San Rafael Hill, ca.1898 

Bridge over the Colorado River, showing an industrial yard in the foreground in Yuma, Arizona, [s.d.] 

Dry Colorado River bed below the canal, ca.1903 

Los Angeles and San Gabriel Railroad train on the bridge at Garvanza, the first trestle across the Arroyo Seco, approaching Highland Park from South Pasadena, ca.1885 

Panoramic view of Pasadena looking north from Monk Hill, showing Alta Dena and Mount Lowe in the background, ca.1910