Outline map of the continental United States showing drainage, state boundaries, major cities, forts, finished and proposed railroads. [From published bibliography]doi:http://www.loc.gov/item/gm70005361/James T. LloydRae. Smith
This detailed map of the continental United States indicating drainage, relief by hachures, international and state boundaries, cities & towns, forts, roads, and the railroad network. Originally produced in 1883, by Rand, McNally & Co.
Railroad Electrification in the United States The history of railroad electrification falls into three phases that might be designated the primitive, the pioneer and the mature. The first was the perio... CW Condit - 《Proceedings of the IEEE》 被引量: 2发表: 1976年 ...
Both the steamboat and the railroad system with its steam-powered trains revolutionized transport in the United States in the nineteenth century. Entire regions that would hardly have been touched, especially in the West, were opened up to settlement and exploitation. In a geographic sense, the im...
It is hard to imagine a United States of continental proportions without the railroad. Arguably, because of its speed, the railroad also changed the way that people from the United States viewed nature: as a distant and passing scene, rather than as an immediate experience. The impact on ...
After the was the US gained California and New Mexico as states.[24] In 1849, Zachary Taylor became the 12th President of the United States.[17] Later that year Harriet Tubman escaped from slavery and became one of the most effective and celebrated members of the Underground Railroad.[25]...
A jet plane crosses the continental United States in about five hours, but a traveler in a fast railroad train needs more than forty-eight hours to cross the country. The new state of Hawaii is very far from the states on the east coast of the continent. Hawaii is in the Pacific Ocean...
1864: The first United States Railroad Post Office is established on a train. Mail is sorted while in transit by train on cars specially designed as sorting centers. 1869: The Transcontinental railroad is completed, speeding mail delivery between New York and California in a week or less. ...
A state of the east-central United States on the Atlantic Ocean. One of the original Thirteen Colonies, it was settled by Dutch and Swedish colonists in the 1620s and 1630s, was ceded to the English as part of New Netherland in 1664, and became a royal province in 1702. The colony wa...
In 1000, 60% 10,000 Chinese labor in the United States by the Article a trans-continental railway building, they have made a tremendous contribution worthy of recording the enormous efforts in the history of the United States. 翻译结果5复制译文编辑译文朗读译文返回顶部 ...