Note 10 — Chapter II
Reading edition
Robuchon’s estimate of distances is 471 geographical miles from Iquitos to the mouth of the Issa; thence to the Cotuhe, which he places at 2° 53′ 12″ S. and 69° 41′ 10″ W., 150 geographical miles. From the Cotuhe to the Igara Parana, 252 miles, a total distance of 873 geographical miles from Iquitos to the Igara Parana.