1764
Bellin, Jacques Nicolas, 1703-1772
1:1m
1866
Cullen, Dr.
1:275k
1792
Lopez de Vargas Machuca, Tomas (1730-1802)
1866
Cullen, Dr.
1:348k
1923
C&GS
1:146k
1956
Arnoldus Johannes Cornelius Krafft (1892-)
1866
McDouglas, A.
1:108k
1906
Isthmian Canal Commission (U.S.)
1905
United States. Board of Consulting Engineers for Panama Canal
1:50k
1925
Panama Railroad Company
1:31k