K-174

Within the hollow of this giant redwood, which is

1712 feet in diameter, 37 persons can stand.

Redwood Highway, California.

K-175

The age of the California Redwood, from which this

cross-section was cut, is computed by counting the

annual rings of growth.

1510-MUIR WOODS NATIONAL MONUMENT,

CALIFORNIA

A 424-acre park of virgin redwoods at the base of

Mt. Tamalpais. It contains redwoods as much as 2000

years old and as tall as 250 feet.

It is west of Mill Valley across the Golden Gate

Bridge from San Francisco.

Ships in plastic between cardboard in a stamped envelope