 |
 |
 |
 |
|
 |
30 years ago, over 100,000 winter-run
chinook salmon returned to the Sacramento River each year
to spawn. Yet by 1991, only an estimated 191 returned.
|
 |
|
|
|
|
Education
Resources for Students & Teachers
 |
|
 |
COMPETITIVE EVENTS—
ACHIEVEMENT FOR FUN & AWARDS
ON-LINE RESEARCH
READING LIST
TEACHERS' RESOURCES
|
Back
to the Top
  |
|
 |
|