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Shorelines for Vieques, Culebra, and the main island of Puerto Rico from the ...
The U.S. Geological Survey (USGS) maintains shoreline positions for the United States coasts from both older sources, such as aerial photographs or topographic surveys, and... -
2015 Mean High Water Shorelines of the Puerto Rico coast used in Shoreline Ch...
The U.S. Geological Survey (USGS) maintains shoreline positions for the United States coasts from both older sources, such as aerial photos or topographic surveys, as well as... -
Digital database of the previously published geologic map of the greater Denv...
This digital map shows the areal extent of surficial deposits and rock stratigraphic units (formations) as compiled by Trimble and Machette from 1973 to 1977 and published in...
E' possibile inoltre accedere al registro usando le API (vedi Documentazione API).