File:USGS Geologic Map St John USVI.png
Geology and Hydrogeology of the Caribbean Islands Aquifer System of the Commonwealth of Puerto Rico
and the U.S. Virgin Islands, USGS Professional Paper 1419, https://pubs.usgs.gov/pp/pp1419/pdf/BOOK.PDF
Author
ROBERT A. RENKEN, W.C. WARD, I.P. GILL, FERNANDO GÓMEZ-GÓMEZ, JESÚS RODRÍGUEZ-MARTÍNEZ
Licensing
This image is in the public domain in the United States because it only contains materials that originally came from the United States Geological Survey, an agency of the United States Department of the Interior. For more information, see the official USGS copyright policy.
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