1. The Lena River is the world's 10th longest, stretching 2,800 miles and draining almost a million square miles of Siberia.

2. A city of eastern Siberian U. S. S. R. on the Lena River. Founded as a fort in '32, it is a port and processing center. Population, 80,000.

3. A river of eastern Siberian U. S. S. R. flowing about 2,44' km (, 520 mi) eastward to the Lena River.

4. A city of eastern Siberian U. S. S. R. on the Lena River. Founded as a fort in1632, it is a port and processing center. Population, 180, 000.

5. There is no railway to Yakutsk. The other options are a 1, 000-mile boat ride up the Lena river during the few months of the year when it isn't frozen, or the "Road of Bones".