Undular bore and whelps near the mouth of Araguari River, Brazil.
Summary
Undular bore and whelps near the mouth of Araguari River, Brazil. View is oblique toward toward mouth from airplane at approximately 100 ft. altitude. n.d. Portion published as Figure 5 in U. S. Geological Survey. Circular 1022. 1988.
Summary
Undular bore and whelps near the mouth of Araguari River, Brazil. View is oblique toward toward mouth from airplane at approximately 100 ft. altitude. n.d. Portion published as Figure 5 in U. S. Geological Survey. Circular 1022. 1988.
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