NOTES 1.-Navigators must observe current regulations, issued by the competent authority, for navigation in the aquatic spaces covered by this letter. 2.-The limits of the chart at the next largest scale appear in magenta. Users should consult the Nautical Chart Catalog, which may contain more recent information. 3.- “Manglares el Morro” Wildlife Refuge: the development of any activity that is not permitted by the Forestry and Conservation of Natural Areas and Wildlife Law is prohibited. 4.-The navigator in this area must take into account at all times the Regulations to Prevent Collisions and Collisions, since 3 navigation lanes converge there. CAUTION The depths in this chart vary constantly due to the sediments provided by the Guayas River and the Estero Salado. WARNING The navigator should not rely entirely on floating navigation aids.