But the states north of the dams, including North and South Dakota, have argued that the river is no longer needed for navigation and that more water should be kept in the reservoirs for recreation, to help the region's economy.
The Brantons are gleeful and eclectic collectors who have been married for 33 years, but only recently have they had the space to accommodate the fruits of their shopping, which seem to fill every bit of space not needed for navigation.
To shorten the rendering time in low-power processing PDA, culling algorithm is introduced to render only essential 3D objects needed for navigation.
If we could show that head turns were restricted to short periods of the flight, this would be a strong hint that the distance information needed for navigation might be obtained from optic flow cues.
No doubt there is a real need for better navigation, organization and presentation which have yet to be furnished by Microsoft's Internet Explorer and Netscape's Navigator, the two browsers that dominate 98% of the market.
With limb salvage and function-saving surgery, there is a need for accurate navigation.
The issues raised by these respondents were: the need for better navigation tools, the site's limited content, the ineffectiveness of the site's search engine, and the fact that the site had not been updated.
But no residents will move in until November at the earliest because of Russia's two-year delay in launching its service module, which is needed for guidance, navigation and life support.
When she thought about playing tennis, the supplementary motor cortex, which is involved in planning movements, became active, but when she imagined walking through her house, the parahippocampal gyrus, which is needed for spatial navigation, was activated.
The United States has criticized what it has called China's militarization of its maritime outposts and stressed the need for freedom of navigation by conducting periodic air and naval patrols near them that have angered Beijing.
