Biology Reference
In-Depth Information
Above:
The shape of San
Francisco Bay is different
from that of other major
bays. Nearby Monterey Bay,
and Santa Monica Bay far-
ther south, are both much
more open ended. Neither
has San Francisco Bay's
multiple sub-bays, nor its
headlands reaching rocky
arms around the water so
tight they nearly cut off the
bay from the Pacific.
At right:
Maryland's Chesa-
peake Bay is a long, nar-
row finger poking into the
continent with jigsaw-puzzle
coastlines.
Facing page:
And no bays at all define
where the 2,340-mile-long
Mississippi River meets
the Gulf of Mexico; rather,
long fingers of sediment
spread silt from the
