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English: Map of water levels in selected wells on Guam with generalized direction of water flow. Date: 2003: ... Water levels in selected wells, Guam (cropped).jpg.
English: Map of water levels in selected wells on Guam with generalized direction of water flow. Date: 2003: ... Water levels in selected wells, Guam.pdf: Licensing.
English: Bathymetric map screenshot of the NOAA Marine Geology Data visualizer, showing the immediate vicinity of Guam. Features named include the Mariana Trench, East Mariana Ridge, and Challenger Deep. Features indicated but not named are Sirena Deep, directly south of Guam, and Nero Deep.
Geologic map of Guam. The geology of Guam formed as a result of mafic, felsic and intermediate composition volcanic rocks erupting below the ocean, building up the base of the island in the Eocene, between 33.9 and 56 million years ago. The island emerged above the water in the Eocene, although the volcanic crater collapsed.
Used in USGS Water-Resources Investigation Report 03-4126, Honolulu, Hawaii 2003 (https: ... Cross-sections of geology map of Guam (cropped).jpg. Licensing.
Guam's size and possession of a natural safe anchorage at Apra Harbor, uniquely among its neighbors, have driven much of its history. [2] Guam was a minor but integral part of the Spanish Manila galleon trade. Located on the east-to-west trade winds, galleons from Mexico would briefly reprovision on Guam before continuing on to Manila.
The name “Fena” refers to the river valley, the man-made reservoir (sometimes called a lake), and the ancient village of Fena. The Fena Lake (Reservoir) is the largest lake in the United States territory of Guam and it is a man made reservoir. [1] The Fena Valley Reservoir is critical in Guam’s water management system.
English: Map of the geology of Guam with geologic strata, ... Used in USGS Water-Resources Investigation Report 03-4126, Honolulu, Hawaii 2003 (https: ...