Date from signature of chief engineer:"August 1915."; "Rys. in operation 572 miles - projected 237 miles - total 809 miles."; Inset: Dep. of Peten, Guatemala.; Includes cross sections: Profile from Ayutla Mexican frontier to Puerto Barrios -- Profile from Zacapa, Guatemala, to Cutuco-La Union Harbor. 43 x 112 centimeters Scale not given General Map Collection