Columbia subject headings:
Harvard subject headings:
Skis and skiing--Economic aspects--United States--Periodicals.
Skis and skiing--United States--Statistics--Periodicals.
Winter sports facilities--Economic aspects--United States--Periodicals.
Winter sports facilities--United States--Statistics--Periodicals.
Princeton subject headings:
Periodicals.
Recreational surveys--United States--Periodicals.
Skis and skiing--Economic aspects--United States--Periodicals.
Winter sports facilities--Economic aspects--United States--Periodicals.