the United States. The main source of knowledge of territory ssha

you are: the United States

Inexact news from the western industrialists and the strengthened work of the army officers who were registered mostly on military-topographical management were the main source of knowledge of territory of the United States within first half XIX century plentiful, but, from the scientific point of view. However the growing stream of immigrants on the West (in its growth have played the role well-known ' the Report ' Fremonta and gold opening in California) has pointed a question on transport communications between the West and the East. It, in turn, has led to the largest geodetic works which have begun in 1853 on research of lines of railways. Shooting it has been decided to make on five routes crossing all America. Northern geodetic group under the guidance of Stevens should leave Saint Paul and meet on the river Colombia with left to it towards from the Fort-vankuvera group of the captain the Poppy-klellana. Researches on the second route which was passing near to 41st parallel, have been charged lieutenant Bekuitu. Still to the south captain Gannison should cross America between 38th and 39th parallels. Captain Uipl should pass along 35th parallel, and the fifth group-from of California through JUmu, Tuskon and El Paso to Texas. During works under the pressure of practical necessity routes have undergone to some change. Gannison and has not finished the work assigned to it and has been killed near to lake Sever. As addition to work of these five big groups researches of auxiliary topographical parties, like the shooting of territory, for example, made by lieutenant Viljamsonom between the rivers Sacramentos and Colombia served. The general results of all work have been published in a valuable series ' Works on research of the Pacific railway '.