These estimates are used in federal funding allocations, as denominators for vital statistics rates and per capita time series, as survey controls and for monitoring recount demographic changes. With the July 1 estimate, the Census Bureau reviews the estimates for each year back to the last census. Previously published estimates are superseded. The state data are released at the end of the calendar year. The county and subcounty population data are updated in late spring or early summer.
Grass Valley Wilderness Area. Parks âº California âº Ridgecrest Rec. Management Area âº Points of Interest âº Forest/Natural Area. Grass Valley Wilderness Area is a series of scattered hills, reddish-brown to yellow in appearance and gently rising to elevations from 200 to 600 feet above the desert valley floor. Vegetation is typical of a creosote bush scrub community with a number of Joshua trees. Some wildlife in the area are raptor foraging and desert tortoise, along with Mohave ground squirrel habitat. This wilderness is bisected with a vehicle corridor running north-south, and visitors must remain on this route if traveling in any sort vehicle.
Rolling terrain â¢ Mowed grass â¢ Shared with horseback riders seasonally. Circle the parkâs largest open area and imagine what the prairies looked like when the ï¬rst European settlers arrived. Experience views of the river valley and the Afton Alps Ski Area. Set out on this trail by foot in summer or skis in winter.