Book,  chapter

 1    1,    8|        about that?”~“Go up the Rio Colorado instead. It is
 2    1,   10| currents? No, for here are the Rio Negro and Rio Colorado,
 3    1,   10|     here are the Rio Negro and Rio Colorado, and their tributaries
 4    1,   10|       past the Neuquem and the Rio Colorado on to the Pampas,
 5    1,   11|      nightfall on the banks of Rio Biobio. The country still
 6    1,   14|        Not far off there was a RIO, which supplied them with
 7    1,   15|     about fifty paces from the RIO a man of very tall stature
 8    1,   15|       Then he went down to the RIO, and gathered a few handfuls
 9    1,   16|       from the point where the Rio Colorado crosses the thirty-seventh
10    1,   16|   between the Colorado and the Rio Negro.~“But where was the
11    1,   18|        enough, and reached the RIO in a few hours, but Thalcave
12    1,   18|   discover on the banks of the rio a ramada, a sort of enclosure,
13    1,   20|  without stopping, fording the RIO of Los Huasos and also the
14    1,   21|    Carmen, at the mouth of the Rio Negro. The best thing to
15    2,    6|     the Patagonian rivers, the Rio Colorado and the Rio Negro,
16    2,    6|       the Rio Colorado and the Rio Negro, flow into the sea