â¢ ACCRETION (noun) The noun ACCRETION has 6 senses: 1. an increase by natural growth or addition. 2. something contributing to growth or increase. 3. (astronomy) the formation of a celestial object by the effect of gravity pulling together surrounding objects and gases.
The Great Basin Visitor Center is located on Nevada State Route 487 in the town of Baker. The Lehman Caves Visitor Center is located on Nevada State Route 488. It is 5.5 miles (8.9 km) from Baker, Nevada, 1â2 mile (800 m) inside the park boundary.
The Great Basin is a group of basins and mountain ranges in the western US, mostly in Nevada but also including parts of California, Oregon, Idaho and Utah. The basin area is generally between the Sierra and Cascade Mountains to the west and the Rocky Mountains to the east.he Great Basin is a group of basins and mountain ranges in the western US, mostly in Nevada but also including parts of California, Oregon, Idaho and Utah. The basin area is generally between the Sierra and Cascade Mountains to the west and the Rocky Mountains to the east.