49 
CHAP. V. 
SURVEY OF THE RIVER (iOATZACOALCOS. 
Rises in the Sierra Madre — examined from the confluence oj the 
CliimalapilJa all the way to the sea. — The streams of importance 
are, (on the right bank J the Chimalapilla — del Pinal — Chalchi- 
japa — at the Horqueta the right branch is called Apotzongo — 
branches re-unite near the Rancho del Mariscal — river Coachapa 
— Uspanapan — the creek Coatajapa, and several useful Lagoons. 
(Left bank) the Milagro — Escolapa — Malatengo — Sarabia — 
Tumuapa — Taltepec — the Naranjo and Penas Blancas — river di- 
vides at the Horqueta, to the left is the Mistan, forming the island 
of Tacarnichapa — creeks Tacojalpa, Ojozapa Cuamecatan and 
Tacoteno — the river Calzadas branches off and enters the sea at 
the Barrilla. — The borders of the Coatzacoalcos and its tributaries 
covered with dye-woods, mahogany, and other fine trees, and forests 
of timber fit for ship-building. — Upper Coatzacoalcos abounds in 
lofty Pine trees. — Coatzacoalcos navigable for the largest merchant 
ships for 34^ miles — the Bar does not shift, and leaves two en- 
trances — has 20i feet water over its western passage — this har- 
bour THE FINEST IN THE GuLF OF MeXICO. 
The river Coatzacoalcos takes its rise in the unexplored 
part of the Sierra Madi-e, and the highest point in its course 
which we visited was at its confluence with the Chimalapilla, 
from whence we examined it all the way to its mouth in the 
Gulf of Mexico, situated in 18° 8' 30" north latitude, and 94° 
17' west longitude from Greenwich. 
The Chimalapilla falls into the Coatzacoalcos on its right 
bank, 4| miles to the S. S. E. of the village of Santa Maria 
Chimalapa, and this confluence is 393 feet above the level of 
the sea. We were assured by the Indians that they had as- 
