The development of Mammoth Mountain ski area has had a direct effect on housing in more recent years.

And Mammoth Mountain, Calif., has installed snow making to cover 22 of its 150 trails.

The three decided to work full-time for the company after a snowboarding trip to Mammoth Mountain.

Up to 1,200 tons a day are seeping out the flanks of Mammoth Mountain.

On parts of Mammoth Mountain, soil gases are 25 to 90 percent carbon dioxide.

Smaller explosion pits on the north side of Mammoth Mountain were also formed at this time.

Sit in your office or bedroom and check out the superpipe at Mammoth Mountain.

Snow has recently started arriving at Mammoth Mountain in California (800-626-6684, www.mammothmountain.com).

For information on Mammoth Mountain, see www.mammothmountain.com or call (800) 626-6684.

They finally succeeded in a ski ascent of Mammoth Mountain.