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The Intercontinental Railway Commission met in Washington, December 4, 1890. At a series, of meetings, of which this was the first, the commission, composed of representatives from eleven American governments, formulated plans for survery of a proposed route for a Pan-American Railway system. Its purpose, as set forth at first meeting of the commission, was to foster the development of cordial relations between the nations and the growth of material interests.(Railroad Progress in Colombia,
Raye R. Platt, 1926)

These maps come courtesy of the Geological Survey of Alabama
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Corps No 1
Altos Line Map 1
Amatenango, Mexico to San Sebastian, Guatemala
1:96,000
Corps No 1
Altos Line Map 2
Santa Barbara to San Marcos, Guatemala
1:96,000
Corps No 1
Altos Line Map 3
Hueheutenango to Quezaltenango, Guatemala
1:96,000
Corps No 1
Map 1
Ayutla to Retalhuleu, Guatemala
1:48,000
Corps No 1
Map 2
Retalhuleu to Rio Bravo, Guatemala
1:48,000
Corps No 1
Map 3
Rio Bravo to Rio Aguna, Guatemala
1:48,000
Corps No 1
Map 4
Rio Aguna to Brito, Guatemala
1:48,000
Corps No 1
Map 5
Brito to Rio Esclavos, Guatemala
1:48,000
Corps No 1
Map 6
Rio Esclavos to Rio Paz, Guatemala
1:48,000
Corps No 1
Map 7
Rio Paz to Sonsonate, Salvador
1:48,000
Corps No 1
Map 8
Rio Paz to Santa Ana, Salvador
1:48,000
Corps No 1
Map 9
Santa Ana to Ateos, Salvador
1:48,000
Corps No 1
Map 10
Sitio Del Nino to Ilopango, Salvador
1:48,000
Corps No 1
Map 11
Ilopango to San Vicente, Salvador
1:48,000
Corps No 1
Map 12
San Vicente to Jiquilisco, Salvador
1:48,000
Corps No 1
Map 13
Jiquilisco to Jocotal, Salvador
1:48,000
Corps No 1
Map 14
Jocotal to Jocoro, Salvador
1:48,000
Corps No 1
Map 15
Jocoro, Salvador to La Brea, Honduras
1:48,000
Corps No 1
Map 16
La Brea to Los Prados, Honduras
1:48,000
Corps No 1
Map 17
Los Prados, Honduras to La Virgen, Nicaragua
1:48,000
Corps No 1
Map 18
La Virgen to Corinto, Nicaragua
1:48,000
Corps No 1
Map 19
Corinto to Granada, Nicaragua
1:48,000
Corps No 1
Map 20
Granada to Station 180, Nicaragua
1:48,000
Corps No 1
Map 21
Station 180 to Station 540, Nicaragua
1:48,000
Corps No 1
Map 22
Station 540, Nicaragua to Santa Rosa, Costa Rica
1:48,000
Corps No 1
Map 23
Santa Rosa to Liberia, Costa Rica
1:48,000
Corps No 1
Map 24
Liberia to El Reventado, Costa Rica
1:48,000
Corps No 1
Map 25
El Reventado to Cumbre Salina, Costa Rica
1:48,000
Corps No 1
Map 26
Cumbre Salina to Cumbre Herradura, Costa Rica
1:48,000
Corps No 1
Map 27
Cumbre Herradura to Rio Pirris, Costa Rica
1:48,000
Corps No 1
Map 28
Rio Pirris to Boca Savegre, Costa Rica
1:48,000
Corps No 2 Division A
Map 1
Quito to Yaruqui, Ecuador
1:48,000
Corps No 2 Division A
Map 2
Yaruqui to Cochicaranqui, Ecuador
1:48,000
Corps No 2 Division A
Map 3
Cochicaranqui to Rio Ambi, Ecuador
1:48,000
Corps No 2 Division A
Map 4
Rio Ambi to Rio Huaca, Ecuador
1:48,000
Corps No 2 Division A
Map 5
Rio Huaca, Ecuador to Ipiales, Colombia
1:48,000
Corps No 2 Division A
Map 6
Ipiales to La Cima Santa Gertrudis, Colombia
1:48,000
Corps No 2 Division A
Map 7
La Cima Santa Gertrudis to Tablon, Colombia
1:48,000
Corps No 2 Division A
Map 8
Tablon to Rio Mayo, Colombia
1:48,000
Corps No 2 Division A
Map 9
Rio Mayo to Rio Viejo, Colombia
1:48,000
Corps No 2 Division A
Map 10
Rio Viejo to Quebrado Limoncito , Colombia
1:48,000
Corps No 2 Division A
Map 11
Quebrado Limoncito to Popayan, Colombia
1:48,000
Corps No 2 Division A
Map 12
Popayan to Cajibio, Colombia
1:48,000
Corps No 2 Division A
Map 13
Cajibio to Rio Cauca, Colombia
1:48,000
Corps No 2 Division A
Map 14
Rio Cauca to Cali, Colombia
1:48,000
Corps No 2 Division A
Map 15
Tulcan to Rio Sapuyes, Colombia
1:48,000
Corps No 2 Division A
Map 16
Rio Sapuyes to Rio Guaitara, Colombia
1:48,000
Corps No 2 Division B
Map 1
Cali to Palmira, Colombia
1:48,000
Corps No 2 Division B
Map 2
Palmira to Buga, Colombia
1:48,000
Corps No 2 Division B
Map 3
Buga to Tulua, Colombia
1:48,000
Corps No 2 Division B
Map 4
Tulua to Quebrada Honda, Colombia
1:48,000
Corps No 2 Division B
Map 5
Quebrada Honda to Nacederos, Colombia
1:48,000
Corps No 2 Division B
Map 6
Nacederos to Rio Olibares, Colombia
1:48,000
Corps No 2 Division B
Map 7
Rio Olibares to Rio Pozo, Colombia
1:48,000
Corps No 2 Division B
Map 8
Rio Pozo to Paso de Caramanta , Colombia
1:48,000
Corps No 2 Division B
Map 9
Paso de Caramanta to Medellin, Colombia
1:48,000
Corps No 2 Division B
Map 10
Caldas to Paso de Caramanta, Colombia
1:48,000
Corps No 2 Division B
Map 11
Paso de Caramanta to Rio Bolivar, Colombia
1:48,000
Corps No 2 Division B
Map 12
Rio Bolivar to Paso de Los Pobres, Colombia
1:48,000
Corps No 2 Division B
Map 13
Paso de Los Pobres to Antioquia, Colombia
1:48,000
Corps No 2 Division B
Map 14
Antioquia to Canas Gordas, Colombia
1:48,000
Corps No 2 Division C
Map 1
Medellin to Quebradita, Colombia
1:48,000
Corps No 2 Division C
Map 2
Quebradita to Higueron Summit, Colombia
1:48,000
Corps No 2 Division C
Map 3
Higueron Summit to Anori, Colombia
1:48,000
Corps No 2 Division C
Map 4
Anori ro Tamara, Colombia
1:48,000
Corps No 2 Division C
Map 5
Anori to Quebrada el Rosario, Colombia
1:48,000
Corps No 2 Division C
Map 6
Quebrada el Rosario to Raudal, Colombia
1:48,000
Corps No 2 Division C
Map 7
Raudal to Caceres, Colombia
1:48,000
Corps No 2 Division C
Map 8
Caceres to Cucharal, Colombia
1:48,000
Corps No 2 Division C
Map 9
Cucharal to Rio San Jorge, Colombia
1:48,000
Corps No 2 Division C
Map 10
Rio San Jorge to San Fransisco, Colombia
1:48,000
Corps No 2 Division C
Map 11
San Fransisco to Chinu, Colombia
1:48,000
Corps No 2 Division C
Map 12
Chinu to Station 79, Colombia
1:48,000
Corps No 2 Division C
Map 13
Station 79 to Carmen, Colombia
1:48,000
Corps No 2 Division C
Map 14
Carmen to San Cayetano, Colombia
1:48,000
Corps No 2 Division C
Map 15
San Cayetano to Mahates, Colombia
1:48,000
Corps No 2 Division C
Map 16
Mahates to Cartagena, Colombia
1:48,000
Corps No 2 Division C
Map 17
Tamara to Bejuquillo, Colombia
1:48,000
Corps No 2 Division C
Map 18
Bejuquillo to Caceres, Colombia
1:48,000
Corps No 2 Division D
Map 1
Boca del Portalon to Punta Uvita, Costa Rica
1:48,000
Corps No 2 Division D
Map 2
Punta Uvita to Palmar Costa Rica
1:48,000
Corps No 2 Division D
Map 3
Palmar to Rio Brus, Costa Rica
1:48,000
Corps No 2 Division D
Map 4
Rio Brus to Canas Gordas Costa Rica
1:48,000
Corps No 2 Division D
Map 5
Canas Gordas, Costa Rica to Divala, Colombia
1:48,000
Corps No 2 Division D
Map 6
Divala to Chorcha, Colombia
1:48,000
Corps No 2 Division D
Map 7
Chorcha to Quebrada Gal, Colombia
1:48,000
Corps No 2 Division D
Map 8
Quebrada Gal to Quebrada Arma Falsa, Colombia
1:48,000
Corps No 2 Division D
Map 9
Quebrada Arma Falsa to La Pena, Colombia
1:48,000
Corps No 2 Division D
Map 10
La Pena to Agua Dulce, Colombia
1:48,000
Corps No 2 Division D
Map 11
Agua Dulce to Rio Riato, Colombia
1:48,000
Corps No 2 Division D
Map 12
Rio Riato to Rio Sahalisa, Colombia
1:48,000
Corps No 2 Division D
Map 13
Rio Sahalisa to Miraflores, Colombia
1:48,000
Corps No 2 Division D
Map 14
Chorrera to Panama, Colombia
1:48,000
Corps No 2 Division D
Map 15
Panama to Pacora, Colombia
1:48,000
Corps No 2 Division D
Map 16
Pacora to Chepo, Colombia
1:48,000
Corps No 2 Division D
Map 17
Panama to Pavarandocito, Colombia
1:48,000
Corps No 2 Division D
Map 18
Rio-Sucio to Los Indios, Colombia
1:48,000
Corps No 2 Division D
Map 19
Los Indios to Rio Sabaletas, Colombia
1:48,000
Corps No 2 Division D
Map 20
Rio Sabaletas to Dabeiba, Colombia
1:48,000
Corps No 2 Division D
Map 21
Dabeiba to Canas Gordas, Colombia
1:48,000
Corps No 3
F C de Juliaca a Cuzco
1:48,000
Corps No 3
La Linea Entre Arequipa Y Puno
1:48,000
Corps No 3
Map 1
Quito to Latacunga, Ecuador
1:48,000
Corps No 3
Map 2
Latacunga to Ambato, Ecuador
1:48,000
Corps No 3
Map 3
Ambato to Cajabamba, Ecuador
1:48,000
Corps No 3
Map 4
Cajabamba to Palmyra, Ecuador
1:48,000
Corps No 3
Map 5
Palmyra to Station 189, Ecuador
1:48,000
Corps No 3
Map 6
Station 186 to Canar, Ecuador
1:48,000
Corps No 3
Map 7
Canar to Biblian, Ecuador
1:48,000
Corps No 3
Map 8
Biblian to Cuenca, Ecuador
1:48,000
Corps No 3
Map 9
Cuenca to Station 114 Y, Ecuador
1:48,000
Corps No 3
Map 10
Station 114 Y to Station 153 Y, Ecuador
1:48,000
Corps No 3
Map 11
Station 153 Y to Station 185 Y, Ecuador
1:48,000
Corps No 3
Map 12
Station 185 Y to Station 330 Y, Ecuador
1:48,000
Corps No 3
Map 13
Station 330 Y to Station 52 F, Ecuador
1:48,000
Corps No 3
Map 14
Station 52 F to Station 74 F, Ecuador
1:48,000
Corps No 3
Map 15
Station 74 F to San Ignacio, Peru
1:48,000
Corps No 3
Map 16
San Ignacio to Station 194 F, Peru
1:48,000
Corps No 3
Map 17
Station 194 F to Station 245 F, Peru
1:48,000
Corps No 3
Map 18
Station 245 F to Cujillo, Peru
1:48,000
Corps No 3
Map 19
Cujillo to Station 22 I, Peru
1:48,000
Corps No 3
Map 20
Station 22 I to Station 70 I, Peru
1:48,000
Corps No 3
Map 21
Station 70 I to Station 106 I, Peru
1:48,000
Corps No 3
Map 22
Station 106 I Station 142 I, Peru
1:48,000
Corps No 3
Map 23
Station 142 I to Cajabamba, Peru
1:48,000
Corps No 3
Map 24
Cajabamba to Station 212 I, Peru
1:48,000
Corps No 3
Map 25
Station 212 I to Station 258 I, Peru
1:48,000
Corps No 3
Map 26
Station 258 I to Pallasca, Peru
1:48,000
Corps No 3
Map 27
Pallasca to La Pampa, Peru
1:48,000
Corps No 3
Map 28
La Pampa to Yungai, Peru
1:48,000
Corps No 3
Map 29
Yungai to Station 169k, Peru
1:48,000
Corps No 3
Map 30
Station 169 K to Station 221 K, Peru
1:48,000
Corps No 3
Map 31
Station 221K to Station 328 K, Peru
1:48,000
Corps No 3
Map 32
Station 328 K to Station 370 K, Peru
1:48,000
Corps No 3
Map 33
Station 370 K to Station 6 L, Peru
1:48,000
Corps No 3
Map 34
Station 6 L to Station 29 L, Peru
1:48,000
Corps No 3
Map 35
Station 29 L to Station 82 L, Peru
1:48,000
Corps No 3
Map 36
Station 82 L to Yucliapampa, Peru
1:48,000
Corps No 3
Map 37
Yucliapampa to Huamali, Peru
1:48,000
Corps No 3
Map 38
Huamali to Huancayo, Peru
1:48,000
Corps No 3
Map 39
Huancayo to Station 81 O, Peru
1:48,000
Corps No 3
Map 40
Station 810 to Station 1970, Peru
1:48,000
Corps No 3
Map 41
Station 197 O to Station 288 O, Peru
1:48,000
Corps No 3
Map 42
Station 288 O to Station 337 O, Peru
1:48,000
Corps No 3
Map 43
Station 337 O to Station 379 O, Peru
1:48,000
Corps No 3
Map 44
Station 379 O to Station 437 O, Peru
1:48,000
Corps No 3
Map 45
Station 437 O to Station 533 O, Peru
1:48,000
Corps No 3
Map 46
Station 533 O to Rio Apurimac, Peru
1:48,000
Corps No 3
Map 47
Rio Apurimac to Station 637 O, Peru
1:48,000
Corps No 3
Map 48
Station 637 O to Cuzco, Peru
1:48,000