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Geophysical, Sedimentological, and Photographic Data from the John Day Reservoir, Washington and Oregon: Data Archive and Preliminary Discussion USGS Open-File 2004-1014
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Table of Contents:
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Figure 4. Click in figure for larger image. Sidescan-sonar image showing the outcrop of Miocene basalts on the floor of the western part of the John Day Reservoir. Location shown in Figure 3. |