Summit County has been rated among the eight fastest-growing "ski country" areas and Salt Lake among the top 10 high-growth counties in the nation, according to a new study.

The survey by Oklahoma State University geography professor John F. Rooney Jr. was commissioned by Snow Country Magazine. It's titled "Snow Country: An Analysis of Ancillary Economic Growth - 1977-1987."Summit County is home to Deer Valley, Park City and Park West ski resorts and Salt Lake County to Alta, Brighton, Snowbird and Solitude.

Snow Country Editor John Fry said Friday the study shows the growing ski-based economy is having an impact on the growth of widely scattered sections of the country, from California to New Hampshire and from Oregon to North Carolina.

The study also indicates that regions containing many of America's most famous ski resorts are growing much faster than the U.S economy.

Traditionally, the ski industry has viewed its market by such measures as skier-days and equipment imports.

Rooney's study is said to be the first attempt to measure aspects of the ski economy that include population growth, housing, retail sales, real estate and employment growth in counties containing nearly half of total U.S. ski lift capacity.