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The meridian 100° west of the Prime Meridian of Greenwich is a line of longitude that extends from the North Pole across the Arctic Ocean, North America, the Pacific Ocean, the Southern Ocean, and Antarctica to the South Pole. The 100th meridian west forms a great circle with the 80th meridian east.
Figure 1. This BLM map depicts the principal meridians and baselines used for surveying states (colored) in the PLSS.. The following are the principal and guide meridians and base lines of the United States, with the year established and a brief summary of what areas' land surveys are based on each.
Wheeler led early expeditions from 1869 to 1871 in the West, and in 1872 the United States Congress authorized an ambitious plan to map the portion of the United States west of the 100th meridian at a scale of eight miles to the inch. This plan necessitated what became known as the Wheeler Survey.
The term Great American Desert was used in the 19th century to describe the part of North America east of the Rocky Mountains to approximately the 100th meridian. [2] It can be traced to Stephen H. Long's 1820 scientific expedition which put the Great American Desert on the map. [3] [4]
Water flow in the Arkansas River (as measured in central Kansas) has dropped from approximately 248 cubic feet per second (7.0 m 3 /s) average from 1944–1963 to 53 cubic feet per second (1.5 m 3 /s) average from 1984–2003, largely because of the pumping of groundwater for irrigation in eastern Colorado and western Kansas.
Spring River, Kansas. Nearly 75 mi (121 km) of the state's northeastern boundary is defined by the Missouri River.The Kansas River (locally known as the Kaw), formed by the junction of the Smoky Hill and Republican rivers at appropriately-named Junction City, joins the Missouri River at Kansas City, after a course of 170 mi (270 km) across the northeastern part of the state.
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100th meridian may refer to: 100th meridian east, a line of longitude east of the Greenwich Meridian; 100th meridian west, a line of longitude west of the Greenwich ...