♦ ♦ ♦

Extract from pages 59 and 60 of:

Pillsbury, A. F. 1981. The salinity of rivers. Scientific American, Vol. 45, No. 1, July, 54-65.

♦ ♦ ♦




♦ ♦ ♦

Extract from pages 59 and 60 of:

Pillsbury, A. F. 1981. The salinity of rivers. Scientific American, Vol. 45, No. 1, July, 54-65.

♦ ♦ ♦




♦ ♦ ♦

Extract from pages 59 and 60 of:

Pillsbury, A. F. 1981. The salinity of rivers. Scientific American, Vol. 45, No. 1, July, 54-65.

♦ ♦ ♦