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 Desert is one of four U.S. deserts, occupying a large portion of Nevada, portions of California, Oregon and Idaho, and the western desert reaches of Utah.