In the winter of 1860-61, Creighton surveyed the route of the proposed Transcontinental Telegraph line between Omaha and Sacramento, to be built with the financial support of Western Union. He dug the first post hole for the telegraph line on July 2, 1861; the line was completed on October 24, 1861.
In the winter of 1860-61, Creighton surveyed the path for the Transcontinental Telegraph line between Omaha and Sacramento. Western Union provided funding, and he dug the first post hole on July 2, 1861; the line was completed on October 24, 1861.