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U.S. Geological Survey

U.S. Geological Survey
http://www.usgs.gov/
Parent Organization: United States Department of the Interior
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This USGS data release presents data collected during surveys of nearshore bathymetry and beach topography from northern Monterey Bay, California. Survey operations were conducted between October 20 and October 24, 2014 (USGS Field Activity Number 2014-676-FA). Nearshore bathymetry data were collected using two personal watercraft (PWCs), each equipped with single-beam echosounders and survey-grade global navigation satellite system (GNSS) receivers. Topography data were collected using an all-terrain vehicle equipped with a GNSS receiver and on foot with GNSS receivers mounted on backpacks. Positions of the survey platforms were referenced to a GNSS base station with known horizontal and vertical coordinates. Depths...
Tags: AGS
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This digital elevation model provides a tool for calibrating tsunami risk to observations of the 1945 Makran tsunami in Karachi Harbour. The DEM bathymetry is derived from soundings made mainly during the first eight years after the tsunami. Although deficient in portraying intertidal backwaters and upland topography, the DEM accurately depicts the sheltered setting of one of the two tide gauges that recorded the 1945 tsunami.
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Album caption: Panorama with photo no. 754. Index card: High gravel hills, northeast across Savage Fork. Nenana district, Yukon region, Alaska. 1914. Note: Forms panorama with csr00754.
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Album caption: Five Bighorn rams in flight toward Savage Fork. Nenana district, Yukon region, Alaska. n.d. Index card: Five Bighorn rams in flight toward Savage Fork. Nenana district, Yukon region, Alaska. 1914.
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