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- Second or Sheeprock Canon of Weber River. April 6th at 1pm. View Looking East - The Pacific Railroad Surveys, authorized by Congress in 1853, studied parts of six potential railroad routes between the Mississippi River and the Pacific Ocean. This illustration, of Utah's Weber River Canyon, was made while surveying the so-called 41st Parallel Route, which roughly followed that circle of latitude. Ultimately, this route was used by the First Transcontinental Railroad, completed in 1869.

- April 06, 1854
- Collections - Artifact
Second or Sheeprock Canon of Weber River. April 6th at 1pm. View Looking East
The Pacific Railroad Surveys, authorized by Congress in 1853, studied parts of six potential railroad routes between the Mississippi River and the Pacific Ocean. This illustration, of Utah's Weber River Canyon, was made while surveying the so-called 41st Parallel Route, which roughly followed that circle of latitude. Ultimately, this route was used by the First Transcontinental Railroad, completed in 1869.
- "Crossing the Hellgate River Jan 6th 1854" Lithograph - In the early 1850s, the United States government sent out survey parties to explore four possible transcontinental railroad routes. Illustrators accompanied these expeditions and created prints that became part of the final report. One team investigated the northernmost route from St. Paul, Minnesota, to Washington's Puget Sound. The print copied in this photograph depicts the perilous crossing of Montana's frozen Hellgate River along this route.

- January 06, 1854
- Collections - Artifact
"Crossing the Hellgate River Jan 6th 1854" Lithograph
In the early 1850s, the United States government sent out survey parties to explore four possible transcontinental railroad routes. Illustrators accompanied these expeditions and created prints that became part of the final report. One team investigated the northernmost route from St. Paul, Minnesota, to Washington's Puget Sound. The print copied in this photograph depicts the perilous crossing of Montana's frozen Hellgate River along this route.