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Title: Progress of the Transcontinental Triangulation and Reconnaissance Eastward from the Pacific Coast
- Author: U. S. Coast and Geodetic Survey
- Date: 1887
- Medium: Photolithograph
- Condition: Very Good - age toning, wear and discoloration along vertical fold lines
- Inches: 39 x 11 1/4 [Paper]
- Centimeters: 99.06 x 28.58 [Paper]
- Product ID: 318088
Map of areas in the western United States covered by the U. S. Coast and Geodetic Survey as of 1887. Contains California, Nevada, Utah, Colorado, and part of Wyoming. Cities include Denver, Colorado Springs, Salt Lake City, Reno, San Francisco, Sacramento, and San Jose, among others. Topographical features include the Great Salt Lake, Lake Tahoe, San Francisco Bay, the Humboldt River, the Rio Grande del Norte, the Colorado River, and Pike's Peak, among others. Also marks rail routes within the region.