1. Marine geologic map of the northeastern insular shelf of Puerto Rico, Luquillo area Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Information Services Resource Type: Map Access & Availability: Loading
2. Marine geologic map of the southwestern insular shelf of Puerto Rico, Mayagüez to Cabo Rojo Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Information Services Resource Type: Map Access & Availability: Loading