GREAT SLAVE LAKE

NORTHWEST TERRITORIES

CANADA

LAKE OF THE WOODS

MINNESOTA, U. S. A. AND

ONTARIO, CANADA

THE GREAT SALT LAKE

UTAH

U. S. A.

YANGTZE RIVER

CHINA

LAKE VICTORIA

TANZANIA

S. E. AFRICA

MT. RILA SACRED LAKES

BULGARIA

LAKE EYRE

SOUTH AUSTRALIA

HIROSHIMA-WAN

JAPAN

LAKE TITICACA

PERU AND

BOLIVIA

NILE RIVER

SUDAN AND

EGYPT

AMAZON RIVER

BRAZIL

SOUTH AMERICA

SAN FRANCISCO BAY

CALIFORNIA

U. S. A.