Program: HathiTrust Digital Library
- Publisher: Dirección Nacional de Construcciones Portuarias y Vías Navegables. Departamento de Estudios y Proyectos
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 1786756
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1938; 1942-44; 1945-50; 1966-67; 1968; 1969 v.39; 1970 v.40
|
committed to retain | 2018-07-12 | HTDL |
|