Report of Lieut. Henry L. Abbot ... Upon Explorations for a Railroad Route From the Sacramento Valley to the Columbia River Made by Lieut. R.S. Williamson, ... Assisted by Lieut. Henry L. Abbot

This report from the 1850s documents the efforts of Lieutenants Abbot and Williamson to explore potential railroad routes through the rugged terrain of the Pacific Northwest. The report includes detailed maps and descriptions of the landscape, as well as fascinating insights into the challenges faced by these intrepid explorers.

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