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.
Great Basin Rattlesnake. The Great Basin Rattlesnake is light brown or gray with a tapering row of brownish blotches down the midline of the back. Scales are large and keeled (not flat and smooth) in 25-27 rows. Their range is from southeast Oregon, southern Idaho, and northeast California, to Nevada, western Utah, and northwest Arizona.