Columbia subject headings:
Harvard subject headings:
Forest health--California.
Forest management--California.
Forest management--Law and legislation--California.
Forest reserves--Law and legislation--California.
Lake Tahoe Basin National Forest (Calif. and Nev.)
Lassen National Forest (Calif.)
Plumas National Forest (Calif.)
Tahoe National Forest (Calif.)
Princeton subject headings:
Forest health--California.
Forest management--California.
Forest reserves--Law and legislation--California.
Lake Tahoe Basin National Forest (Calif. and Nev.)