aa defined in 1939 yearaa - Aa (Lat. aqua, water);
aa - Name of numerous small European rivers. The Swiss Aa, in the cantons of Lucerne and Aargau, drains lakes Baldegg and Hallwyl into the Aar. Two rivers Aa fall into the Gulf of Riga. In Germany the Westphalian Aa is a tributary of the Werre, and the Munster Aa a tributary of the Ems. The French Aa, between the departments of Norcl and Pas-de-Calais, is navigable from Gravelines to St. Omer.
near aa in Knolik
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