Category:Reports of explorations and surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean
Also called the United States Pacific Railroad Expeditions and Surveys
Subcategories
This category has the following 14 subcategories, out of 14 total.
Media in category "Reports of explorations and surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean"
The following 16 files are in this category, out of 16 total.
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American 19th Century, Birds - U.S.P.R.R. Exp. & Surveys, 35th Parallel, NGA 53828.jpg 3,055 × 4,000; 6.58 MB
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Fort Benton LCCN2003664157.jpg 4,737 × 3,578; 2.39 MB
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Fort Massachusetts, at the foot of the Sierra Blanca. Valley of San Luis LCCN2003662373.jpg 4,840 × 3,648; 2.87 MB
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Fort Massachusetts, at the foot of the Sierra Blanca. Valley of San Luis LCCN2003662373.tif 4,840 × 3,648; 50.54 MB
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Fort Okanogan.tif 3,000 × 2,025; 17.41 MB
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Lodge-pole pines (Pinus contorta Douglas ex Loudon); two tre Wellcome V0043061.jpg 2,200 × 3,345; 3.2 MB
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Manzanita LCCN98517508.jpg 4,672 × 3,801; 1.83 MB
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Manzanita LCCN98517508.tif 4,672 × 3,801; 50.81 MB
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Manzanita tree (Arctostaphylos pungens Kunth) in open landsc Wellcome V0043059.jpg 3,125 × 2,223; 3.48 MB
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Books from the Biodiversity Heritage Library (IA mobot31753000403722).pdf 6,739 × 8,885, 138 pages; 71.74 MB
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Oak tree (Quercus hindsii) with person lying at its base. Co Wellcome V0043058.jpg 3,149 × 2,288; 4.46 MB
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Ponderosa pine (Pinus ponderosa Douglas ex Lawson & P. Lawso Wellcome V0043060.jpg 2,200 × 3,253; 3.32 MB
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Valley of Bill William's Fork (Ariz.) LCCN2006682792.jpg 1,536 × 1,221; 255 KB
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Valley of Bill William's Fork (Ariz.) LCCN2006682792.tif 1,536 × 1,221; 1.79 MB
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Wellingtonia or mammoth tree (Sequoiadendron giganteum (Lind Wellcome V0043057.jpg 2,100 × 3,365; 3.69 MB