subject

west (u.s.)

west (u.s.): explore 21 source-linked works published from 1850 to 1900, with original documents and citations.

This collection is a preview while coverage and quality are evaluated.

Coverage and selection

Includes records with this source-supplied label or an explicit phrase match in their metadata. Matches indicate a mention, not proof that a paper uses a method or tests a material. Source versions are consolidated by DOI.

Sources: loc. Collection updated 2026-09-20. Counts describe this index, not the complete source archives.

Library of Congress1855

Map of routes for a Pacific railroad

Relief shown by hachures and spot heights. Appears in the U.S. War Dept.'s Report of the Secretary of War on the several Pacific railroad explorations, 1855. "This is a hurried compilation of all the authentic surveys and is designed to exhibit the relations of the different routes to each other. An elaborate map on scale of 1:3,000,000 is being compiled and is in an advanced state." In manuscript ink on verso: "Maps showing boundaries of proposed territory of Arizona belonging to the [illegible], Department of the Interior." Annotations in ink at lower center. LC copy imperfect: Mounted on cloth, minor discoloration horizontally along lower right half and along upper left half. Available also through the Library of Congress Web site as a raster image.

united states↗

Library of Congress1855

Explorations and surveys for a rail road route from the Mississippi River to the Pacific Ocean. Route near the 38th & 39th parallels

Relief shown by hachures and spot heights. From U.S. War Department, Explorations and Surveys for a Railroad Route from the Mississippi River to the Pacific Ocean. Topographical Maps ... to Illustrate the Various Reports ... (Washington, 1859) Scale 1:760,320; 12 miles to 1 in. LC Railroad maps, 160 LC Railroad maps, 161 LC Railroad maps, 162 LC Railroad maps, 163 Available also through the Library of Congress Web site as a raster image. AACR2: 100, 650/1; 700/1; 700/2; 700/3; 700/4; 700/5; 710/1

united states↗

Library of Congress1850

A map illustrative of the route of the proposed railroad : from St. Louis to the Bay of San Francisco

"The red line indicates the route of the Railroad. The green line is the route followed by Col. Fremont from the South Pass to Humboldt River."

united states↗

Compare source metadata on this page

Work	Published	Source identifier	Source
Map of routes for a Pacific railroad	1855	2007626788	loc
Explorations and surveys for a rail road route from the Mississippi River to the Pacific Ocean. Route near the 38th & 39th parallels	1855	gm70005008	loc
A map illustrative of the route of the proposed railroad : from St. Louis to the Bay of San Francisco	1850	98688414	loc

These are bibliographic comparisons, not experimental rankings. Follow the original document for methods and conditions.