Topographic Maps and Air Photos

Topographic Maps

* 1:300,000 Republic of El Salvador

* 1:50,000 San Salvador, El Salvador HOJA 2357 II

* 1:50,000 Olocuilta, El Salvador HOJA 2356 I

* 1:50,000 San Vincente, El Salvador HOJA 2456 IV

* 1:50,000 Cojutepeque, El Salvador HOJA 2457 III

Available from: Instituto Geografico Nacional, Ministerio de Hacienda, San Salvador, El Salvador

Geologic Maps

* 1:500,000 Geologic Map of the Republic of El Salvador

* 1:100,000 Geologic Map of the Republic of El Salvador, Santa Ana

Available from: Instituto Geografico Nacional, Ministerio de Hacienda, San Salvador, El Salvador

Aerial Photo Coverage

Available from: Instituto Geografico Nacional, Ministerio de Hacienda, San Salvador, El Salvador