Private company

Union Line

Former steamboat transport company

The Union Line was a transport company of steamboats of the Colorado River, owned by Thomas E. Trueworthy, operating in southeastern California, western Arizona Territory, and northwestern Mexico. It was an opposition steamboat company to the George A. Johnson & Company on the Colorado River from 1864 to 1865.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

The Union Line was a transport company of steamboats of the Colorado River, owned by Thomas E. Trueworthy, operating in southeastern California, western Arizona Territory, and northwestern Mexico. It was an opposition steamboat company to the George A. Johnson & Company on the Colorado River from 1864 to 1865.2

Sources

The numbers on this page point here. Each one links to the record it came from.

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