22
25
26river(amazon,[atlantic,brazil,peru]).
27river(amu_darya,[aral_sea,soviet_union,afghanistan]).
28river(amur,[pacific,soviet_union,china,mongolia]).
29river(brahmaputra,[indian_ocean,bangladesh,china]).
30river(colorado,[pacific,mexico,united_states]).
31river(congo_river,[atlantic,zaire,zambia]).
32river(cubango,[botswana,south_africa,angola]).
33river(danube,[black_sea,romania,yugoslavia,hungary,czechoslovakia,austria,
34 west_germany]).
35river(don,[black_sea,soviet_union]).
36river(elbe,[atlantic,west_germany,east_germany,czechoslovakia]).
37river(euphrates,[persian_gulf,iraq,syria,turkey]).
38river(ganges,[indian_ocean,india,china]).
39river(hwang_ho,[pacific,china]).
40river(indus,[indian_ocean,pakistan,india,china]).
41river(irrawaddy,[indian_ocean,burma]).
42river(lena,[arctic_ocean,soviet_union]).
43river(limpopo,[indian_ocean,mozambique,south_africa]).
44river(mackenzie,[arctic_ocean,canada]).
45river(mekong,[pacific,vietnam,cambodia,laos,china]).
46river(mississippi,[atlantic,united_states]).
47river(murray,[indian_ocean,australia]).
48river(niger_river,[atlantic,nigeria,niger,mali,guinea]).
49river(nile,[mediterranean,egypt,sudan,uganda]).
50river(ob,[arctic_ocean,soviet_union]).
51river(oder,[baltic,poland,czechoslovakia]).
52river(orange,[atlantic,south_africa,lesotho]).
53river(orinoco,[atlantic,venezuela,colombia]).
54river(parana,[atlantic,argentina,paraguay,brazil]).
55river(rhine,[atlantic,netherlands,west_germany,switzerland]).
56river(rhone,[mediterranean,france,switzerland]).
57river(rio_grande,[atlantic,mexico,united_states]).
58river(salween,[indian_ocean,burma,china]).
59river(senegal_river,[atlantic,senegal,mali,guinea]).
60river(tagus,[atlantic,portugal,spain]).
61river(vistula,[baltic,poland]).
62river(volga,[black_sea,soviet_union]).
63river(volta,[atlantic,ghana,upper_volta]).
64river(yangtze,[pacific,china]).
65river(yenisei,[arctic_ocean,soviet_union,mongolia]).
66river(yukon,[pacific,united_states,canada]).
67river(zambesi,[indian_ocean,mozambique,zambia,angola])